266 lines
8.3 KiB
C
266 lines
8.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#include <linux/node.h>
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#include <linux/mmzone.h>
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#include <linux/compaction.h>
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/*
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* The order of these masks is important. Matching masks will be seen
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* first and the left over flags will end up showing by themselves.
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*
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* For example, if we have GFP_KERNEL before GFP_USER we wil get:
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*
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* GFP_KERNEL|GFP_HARDWALL
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*
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* Thus most bits set go first.
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*/
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#define __def_gfpflag_names \
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{(unsigned long)GFP_TRANSHUGE, "GFP_TRANSHUGE"}, \
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{(unsigned long)GFP_TRANSHUGE_LIGHT, "GFP_TRANSHUGE_LIGHT"}, \
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{(unsigned long)GFP_HIGHUSER_MOVABLE, "GFP_HIGHUSER_MOVABLE"},\
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{(unsigned long)GFP_HIGHUSER, "GFP_HIGHUSER"}, \
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{(unsigned long)GFP_USER, "GFP_USER"}, \
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{(unsigned long)GFP_KERNEL_ACCOUNT, "GFP_KERNEL_ACCOUNT"}, \
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{(unsigned long)GFP_KERNEL, "GFP_KERNEL"}, \
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{(unsigned long)GFP_NOFS, "GFP_NOFS"}, \
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{(unsigned long)GFP_ATOMIC, "GFP_ATOMIC"}, \
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{(unsigned long)GFP_NOIO, "GFP_NOIO"}, \
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{(unsigned long)GFP_NOWAIT, "GFP_NOWAIT"}, \
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{(unsigned long)GFP_DMA, "GFP_DMA"}, \
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{(unsigned long)__GFP_HIGHMEM, "__GFP_HIGHMEM"}, \
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{(unsigned long)GFP_DMA32, "GFP_DMA32"}, \
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{(unsigned long)__GFP_HIGH, "__GFP_HIGH"}, \
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{(unsigned long)__GFP_ATOMIC, "__GFP_ATOMIC"}, \
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{(unsigned long)__GFP_IO, "__GFP_IO"}, \
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{(unsigned long)__GFP_FS, "__GFP_FS"}, \
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{(unsigned long)__GFP_NOWARN, "__GFP_NOWARN"}, \
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{(unsigned long)__GFP_RETRY_MAYFAIL, "__GFP_RETRY_MAYFAIL"}, \
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{(unsigned long)__GFP_NOFAIL, "__GFP_NOFAIL"}, \
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{(unsigned long)__GFP_NORETRY, "__GFP_NORETRY"}, \
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{(unsigned long)__GFP_COMP, "__GFP_COMP"}, \
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{(unsigned long)__GFP_ZERO, "__GFP_ZERO"}, \
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{(unsigned long)__GFP_NOMEMALLOC, "__GFP_NOMEMALLOC"}, \
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{(unsigned long)__GFP_MEMALLOC, "__GFP_MEMALLOC"}, \
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{(unsigned long)__GFP_HARDWALL, "__GFP_HARDWALL"}, \
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{(unsigned long)__GFP_THISNODE, "__GFP_THISNODE"}, \
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{(unsigned long)__GFP_RECLAIMABLE, "__GFP_RECLAIMABLE"}, \
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{(unsigned long)__GFP_MOVABLE, "__GFP_MOVABLE"}, \
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{(unsigned long)__GFP_ACCOUNT, "__GFP_ACCOUNT"}, \
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{(unsigned long)__GFP_WRITE, "__GFP_WRITE"}, \
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{(unsigned long)__GFP_RECLAIM, "__GFP_RECLAIM"}, \
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{(unsigned long)__GFP_DIRECT_RECLAIM, "__GFP_DIRECT_RECLAIM"},\
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{(unsigned long)__GFP_KSWAPD_RECLAIM, "__GFP_KSWAPD_RECLAIM"}\
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#define show_gfp_flags(flags) \
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(flags) ? __print_flags(flags, "|", \
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__def_gfpflag_names \
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) : "none"
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#ifdef CONFIG_MMU
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#define IF_HAVE_PG_MLOCK(flag,string) ,{1UL << flag, string}
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#else
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#define IF_HAVE_PG_MLOCK(flag,string)
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#endif
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#ifdef CONFIG_ARCH_USES_PG_UNCACHED
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#define IF_HAVE_PG_UNCACHED(flag,string) ,{1UL << flag, string}
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#else
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#define IF_HAVE_PG_UNCACHED(flag,string)
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#endif
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#ifdef CONFIG_MEMORY_FAILURE
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#define IF_HAVE_PG_HWPOISON(flag,string) ,{1UL << flag, string}
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#else
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#define IF_HAVE_PG_HWPOISON(flag,string)
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#endif
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#if defined(CONFIG_IDLE_PAGE_TRACKING) && defined(CONFIG_64BIT)
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#define IF_HAVE_PG_IDLE(flag,string) ,{1UL << flag, string}
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#else
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#define IF_HAVE_PG_IDLE(flag,string)
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#endif
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#define __def_pageflag_names \
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{1UL << PG_locked, "locked" }, \
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{1UL << PG_waiters, "waiters" }, \
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{1UL << PG_error, "error" }, \
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{1UL << PG_referenced, "referenced" }, \
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{1UL << PG_uptodate, "uptodate" }, \
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{1UL << PG_dirty, "dirty" }, \
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{1UL << PG_lru, "lru" }, \
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{1UL << PG_active, "active" }, \
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{1UL << PG_workingset, "workingset" }, \
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{1UL << PG_slab, "slab" }, \
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{1UL << PG_owner_priv_1, "owner_priv_1" }, \
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{1UL << PG_arch_1, "arch_1" }, \
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{1UL << PG_reserved, "reserved" }, \
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{1UL << PG_private, "private" }, \
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{1UL << PG_private_2, "private_2" }, \
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{1UL << PG_writeback, "writeback" }, \
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{1UL << PG_head, "head" }, \
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{1UL << PG_mappedtodisk, "mappedtodisk" }, \
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{1UL << PG_reclaim, "reclaim" }, \
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{1UL << PG_swapbacked, "swapbacked" }, \
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{1UL << PG_unevictable, "unevictable" } \
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IF_HAVE_PG_MLOCK(PG_mlocked, "mlocked" ) \
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IF_HAVE_PG_UNCACHED(PG_uncached, "uncached" ) \
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IF_HAVE_PG_HWPOISON(PG_hwpoison, "hwpoison" ) \
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IF_HAVE_PG_IDLE(PG_young, "young" ) \
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IF_HAVE_PG_IDLE(PG_idle, "idle" )
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#define show_page_flags(flags) \
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(flags) ? __print_flags(flags, "|", \
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__def_pageflag_names \
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) : "none"
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#if defined(CONFIG_X86)
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#define __VM_ARCH_SPECIFIC_1 {VM_PAT, "pat" }
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#elif defined(CONFIG_PPC)
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#define __VM_ARCH_SPECIFIC_1 {VM_SAO, "sao" }
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#elif defined(CONFIG_PARISC) || defined(CONFIG_IA64)
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#define __VM_ARCH_SPECIFIC_1 {VM_GROWSUP, "growsup" }
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#elif !defined(CONFIG_MMU)
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#define __VM_ARCH_SPECIFIC_1 {VM_MAPPED_COPY,"mappedcopy" }
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#else
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#define __VM_ARCH_SPECIFIC_1 {VM_ARCH_1, "arch_1" }
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#endif
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#ifdef CONFIG_MEM_SOFT_DIRTY
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#define IF_HAVE_VM_SOFTDIRTY(flag,name) {flag, name },
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#else
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#define IF_HAVE_VM_SOFTDIRTY(flag,name)
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#endif
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#define __def_vmaflag_names \
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{VM_READ, "read" }, \
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{VM_WRITE, "write" }, \
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{VM_EXEC, "exec" }, \
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{VM_SHARED, "shared" }, \
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{VM_MAYREAD, "mayread" }, \
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{VM_MAYWRITE, "maywrite" }, \
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{VM_MAYEXEC, "mayexec" }, \
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{VM_MAYSHARE, "mayshare" }, \
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{VM_GROWSDOWN, "growsdown" }, \
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{VM_UFFD_MISSING, "uffd_missing" }, \
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{VM_PFNMAP, "pfnmap" }, \
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{VM_DENYWRITE, "denywrite" }, \
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{VM_UFFD_WP, "uffd_wp" }, \
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{VM_LOCKED, "locked" }, \
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{VM_IO, "io" }, \
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{VM_SEQ_READ, "seqread" }, \
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{VM_RAND_READ, "randread" }, \
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{VM_DONTCOPY, "dontcopy" }, \
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{VM_DONTEXPAND, "dontexpand" }, \
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{VM_LOCKONFAULT, "lockonfault" }, \
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{VM_ACCOUNT, "account" }, \
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{VM_NORESERVE, "noreserve" }, \
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{VM_HUGETLB, "hugetlb" }, \
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{VM_SYNC, "sync" }, \
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__VM_ARCH_SPECIFIC_1 , \
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{VM_WIPEONFORK, "wipeonfork" }, \
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{VM_DONTDUMP, "dontdump" }, \
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IF_HAVE_VM_SOFTDIRTY(VM_SOFTDIRTY, "softdirty" ) \
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{VM_MIXEDMAP, "mixedmap" }, \
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{VM_HUGEPAGE, "hugepage" }, \
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{VM_NOHUGEPAGE, "nohugepage" }, \
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{VM_MERGEABLE, "mergeable" } \
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#define show_vma_flags(flags) \
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(flags) ? __print_flags(flags, "|", \
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__def_vmaflag_names \
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) : "none"
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#ifdef CONFIG_COMPACTION
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#define COMPACTION_STATUS \
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EM( COMPACT_SKIPPED, "skipped") \
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EM( COMPACT_DEFERRED, "deferred") \
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EM( COMPACT_CONTINUE, "continue") \
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EM( COMPACT_SUCCESS, "success") \
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EM( COMPACT_PARTIAL_SKIPPED, "partial_skipped") \
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EM( COMPACT_COMPLETE, "complete") \
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EM( COMPACT_NO_SUITABLE_PAGE, "no_suitable_page") \
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EM( COMPACT_NOT_SUITABLE_ZONE, "not_suitable_zone") \
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EMe(COMPACT_CONTENDED, "contended")
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/* High-level compaction status feedback */
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#define COMPACTION_FAILED 1
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#define COMPACTION_WITHDRAWN 2
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#define COMPACTION_PROGRESS 3
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#define compact_result_to_feedback(result) \
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({ \
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enum compact_result __result = result; \
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(compaction_failed(__result)) ? COMPACTION_FAILED : \
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(compaction_withdrawn(__result)) ? COMPACTION_WITHDRAWN : COMPACTION_PROGRESS; \
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})
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#define COMPACTION_FEEDBACK \
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EM(COMPACTION_FAILED, "failed") \
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EM(COMPACTION_WITHDRAWN, "withdrawn") \
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EMe(COMPACTION_PROGRESS, "progress")
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#define COMPACTION_PRIORITY \
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EM(COMPACT_PRIO_SYNC_FULL, "COMPACT_PRIO_SYNC_FULL") \
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EM(COMPACT_PRIO_SYNC_LIGHT, "COMPACT_PRIO_SYNC_LIGHT") \
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EMe(COMPACT_PRIO_ASYNC, "COMPACT_PRIO_ASYNC")
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#else
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#define COMPACTION_STATUS
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#define COMPACTION_PRIORITY
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#define COMPACTION_FEEDBACK
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#endif
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#ifdef CONFIG_ZONE_DMA
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#define IFDEF_ZONE_DMA(X) X
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#else
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#define IFDEF_ZONE_DMA(X)
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#endif
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#ifdef CONFIG_ZONE_DMA32
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#define IFDEF_ZONE_DMA32(X) X
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#else
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#define IFDEF_ZONE_DMA32(X)
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#endif
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#ifdef CONFIG_HIGHMEM
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#define IFDEF_ZONE_HIGHMEM(X) X
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#else
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#define IFDEF_ZONE_HIGHMEM(X)
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#endif
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#define ZONE_TYPE \
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IFDEF_ZONE_DMA( EM (ZONE_DMA, "DMA")) \
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IFDEF_ZONE_DMA32( EM (ZONE_DMA32, "DMA32")) \
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EM (ZONE_NORMAL, "Normal") \
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IFDEF_ZONE_HIGHMEM( EM (ZONE_HIGHMEM,"HighMem")) \
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EMe(ZONE_MOVABLE,"Movable")
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#define LRU_NAMES \
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EM (LRU_INACTIVE_ANON, "inactive_anon") \
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EM (LRU_ACTIVE_ANON, "active_anon") \
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EM (LRU_INACTIVE_FILE, "inactive_file") \
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EM (LRU_ACTIVE_FILE, "active_file") \
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EMe(LRU_UNEVICTABLE, "unevictable")
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/*
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* First define the enums in the above macros to be exported to userspace
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* via TRACE_DEFINE_ENUM().
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*/
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#undef EM
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#undef EMe
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#define EM(a, b) TRACE_DEFINE_ENUM(a);
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#define EMe(a, b) TRACE_DEFINE_ENUM(a);
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COMPACTION_STATUS
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COMPACTION_PRIORITY
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/* COMPACTION_FEEDBACK are defines not enums. Not needed here. */
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ZONE_TYPE
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LRU_NAMES
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/*
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* Now redefine the EM() and EMe() macros to map the enums to the strings
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* that will be printed in the output.
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*/
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#undef EM
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#undef EMe
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#define EM(a, b) {a, b},
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#define EMe(a, b) {a, b}
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