mm: softdirty: don't forget to save file map softdiry bit on unmap

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pte_file_mksoft_dirty operates with argument passed by a value and
returns modified result thus we need to assign @ptfile here, otherwise
itis a no-op which may lead to loss of the softdirty bit.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Cyrill Gorcunov 2014-06-04 16:06:42 -07:00 • committed by Linus Torvalds

parent 0bf073315c

commit b43790eedd

1 changed files with 1 additions and 1 deletions

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mm/rmap.c

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