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authorCyrill Gorcunov <gorcunov@gmail.com>2013-09-11 14:22:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-11 15:58:06 -0700
commitfa0f281cf9de8e6877e6536f18a3fc77368df64d (patch)
treef542d0f6b19d56f4bfddca7d971bac6c00fca63b /arch/x86/mm/mmio-mod.c
parent5a53748568f79641eaf40e41081a2f4987f005c2 (diff)
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mm: make sure _PAGE_SWP_SOFT_DIRTY bit is not set on present pte
_PAGE_SOFT_DIRTY bit should never be set on present pte so add VM_BUG_ON to catch any potential future abuse. Also add a comment on _PAGE_SWP_SOFT_DIRTY definition explaining scope of its usage. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Acked-by: Pavel Emelyanov <xemul@parallels.com> Acked-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/mm/mmio-mod.c')
0 files changed, 0 insertions, 0 deletions
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