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authorAndrea Arcangeli <aarcange@redhat.com>2010-08-09 17:19:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-09 20:45:02 -0700
commit9a5b489b870def9a93f5e89dac03ebe136f901db (patch)
treedf7f0acfdb81ce0d77b78ff4d131c40472731994 /mm/memory.c
parentad8c2ee801ad7a52d919b478d9b2c7b39a72d295 (diff)
downloadlinux-9a5b489b870def9a93f5e89dac03ebe136f901db.tar.bz2
mm: set VM_FAULT_WRITE in do_swap_page()
Set the flag if do_swap_page is decowing the page the same way do_wp_page would too. Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Rik van Riel <riel@redhat.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 6bc039486e9f..1ecca56e0a48 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2723,6 +2723,7 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
if ((flags & FAULT_FLAG_WRITE) && reuse_swap_page(page)) {
pte = maybe_mkwrite(pte_mkdirty(pte), vma);
flags &= ~FAULT_FLAG_WRITE;
+ ret |= VM_FAULT_WRITE;
exclusive = 1;
}
flush_icache_page(vma, page);