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authorDaniel Micay <danielmicay@gmail.com>2017-07-06 15:36:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-06 16:24:31 -0700
commitac34ceaf1cdb34e8c34c0873ee562e9df6087cbc (patch)
treef06d0c4f732aabe00f879dfb0a33b2d9ada3beae /mm/vmscan.c
parentc4e1be9ec1130fff4d691cdc0e0f9d666009f9ae (diff)
mm/mmap.c: mark protection_map as __ro_after_init
The protection map is only modified by per-arch init code so it can be protected from writes after the init code runs. This change was extracted from PaX where it's part of KERNEXEC. Link: http://lkml.kernel.org/r/20170510174441.26163-1-danielmicay@gmail.com Signed-off-by: Daniel Micay <danielmicay@gmail.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmscan.c')
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