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mm: rename CONFIG_PGTABLE_MAPPING to CONFIG_ZSMALLOC_PGTABLE_MAPPING 

Rename the Kconfig variable to clarify the scope.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: Gao Xiang <xiang@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Kelley <mikelley@microsoft.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Wei Liu <wei.liu@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Link: http://lkml.kernel.org/r/20200414131348.444715-11-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2020-06-01 21:50:53 -07:00 committed by Linus Torvalds
parent 8f87cc9386
commit 8b136018da
4 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/configs/omap2plus_defconfig
View File

@ -81,7 +81,7 @@ CONFIG_PARTITION_ADVANCED=y
CONFIG_BINFMT_MISC=y
CONFIG_CMA=y
CONFIG_ZSMALLOC=m
CONFIG_PGTABLE_MAPPING=y
CONFIG_ZSMALLOC_PGTABLE_MAPPING=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y

2
include/linux/zsmalloc.h
View File

@ -20,7 +20,7 @@
* zsmalloc mapping modes
*
* NOTE: These only make a difference when a mapped object spans pages.
* They also have no effect when PGTABLE_MAPPING is selected.
* They also have no effect when ZSMALLOC_PGTABLE_MAPPING is selected.
*/
enum zs_mapmode {
ZS_MM_RW, /* normal read-write mapping */

2
mm/Kconfig
View File

@ -705,7 +705,7 @@ config ZSMALLOC
returned by an alloc(). This handle must be mapped in order to
access the allocated space.
config PGTABLE_MAPPING
config ZSMALLOC_PGTABLE_MAPPING
bool "Use page table mapping to access object in zsmalloc"
depends on ZSMALLOC
help

8
mm/zsmalloc.c
View File

@ -293,7 +293,7 @@ struct zspage {
};
struct mapping_area {
#ifdef CONFIG_PGTABLE_MAPPING
#ifdef CONFIG_ZSMALLOC_PGTABLE_MAPPING
struct vm_struct *vm; /* vm area for mapping object that span pages */
#else
char *vm_buf; /* copy buffer for objects that span pages */
@ -1113,7 +1113,7 @@ static struct zspage *find_get_zspage(struct size_class *class)
return zspage;
}
#ifdef CONFIG_PGTABLE_MAPPING
#ifdef CONFIG_ZSMALLOC_PGTABLE_MAPPING
static inline int __zs_cpu_up(struct mapping_area *area)
{
/*
@ -1151,7 +1151,7 @@ static inline void __zs_unmap_object(struct mapping_area *area,
unmap_kernel_range(addr, PAGE_SIZE * 2);
}
#else /* CONFIG_PGTABLE_MAPPING */
#else /* CONFIG_ZSMALLOC_PGTABLE_MAPPING */
static inline int __zs_cpu_up(struct mapping_area *area)
{
@ -1233,7 +1233,7 @@ out:
pagefault_enable();
}
#endif /* CONFIG_PGTABLE_MAPPING */
#endif /* CONFIG_ZSMALLOC_PGTABLE_MAPPING */
static int zs_cpu_prepare(unsigned int cpu)
{