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mm: smaps: Report arm64 guarded pages in smaps
authorDaniel Kiss <daniel.kiss@arm.com>
Mon, 16 Mar 2020 16:50:54 +0000 (16:50 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Mon, 16 Mar 2020 17:19:50 +0000 (17:19 +0000)
commit424037b77519d1537872442ba144dda1464988d7
tree5d79baec7fddee62da9dc29c75498fcb8244f1c9
parentde48bb369242fe17022fab3a2addc9c6dacad43f
mm: smaps: Report arm64 guarded pages in smaps

The arm64 Branch Target Identification support is activated by marking
executable pages as guarded pages.  Report pages mapped this way in
smaps to aid diagnostics.

Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Daniel Kiss <daniel.kiss@arm.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Documentation/filesystems/proc.txt
fs/proc/task_mmu.c