linux-sg2042/arch/nds32/mm
Anshuman Khandual 6cb4d9a287 mm/vma: introduce VM_ACCESS_FLAGS
There are many places where all basic VMA access flags (read, write,
exec) are initialized or checked against as a group.  One such example
is during page fault.  Existing vma_is_accessible() wrapper already
creates the notion of VMA accessibility as a group access permissions.

Hence lets just create VM_ACCESS_FLAGS (VM_READ|VM_WRITE|VM_EXEC) which
will not only reduce code duplication but also extend the VMA
accessibility concept in general.

Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Rob Springer <rspringer@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Link: http://lkml.kernel.org/r/1583391014-8170-3-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-04-10 15:36:21 -07:00
..
Makefile nds32: use generic ioremap 2019-11-12 11:37:58 +01:00
alignment.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
cacheflush.c nds32: To simplify the implementation of update_mmu_cache() 2018-07-03 14:18:17 +08:00
extable.c nds32: MMU fault handling and page table management 2018-02-22 10:44:31 +08:00
fault.c mm/vma: introduce VM_ACCESS_FLAGS 2020-04-10 15:36:21 -07:00
highmem.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
init.c nds32: use pgtable-nopmd instead of 4level-fixup 2019-12-04 19:44:15 -08:00
mm-nds32.c nds32: use pgtable-nopmd instead of 4level-fixup 2019-12-04 19:44:15 -08:00
mmap.c nds32: MMU fault handling and page table management 2018-02-22 10:44:31 +08:00
proc.c nds32: use pgtable-nopmd instead of 4level-fixup 2019-12-04 19:44:15 -08:00
tlb.c nds32: Cache and TLB routines 2018-02-22 10:44:32 +08:00