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author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-02-06 10:43:13 -0200 |
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committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-02-06 10:43:13 -0200 |
commit | b2faf597d93bdf5e2d12d93ea0815935a73f749e (patch) | |
tree | 1876616290ff282b8a0814e2429d23e0104f3701 /mm/memory.c | |
parent | Merge branch 'origin' (diff) | |
parent | [PATCH] USB: Fix GPL markings on usb core functions. (diff) | |
download | linux-dev-b2faf597d93bdf5e2d12d93ea0815935a73f749e.tar.xz linux-dev-b2faf597d93bdf5e2d12d93ea0815935a73f749e.zip |
Merge branch 'origin'
Diffstat (limited to 'mm/memory.c')
-rw-r--r-- | mm/memory.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/memory.c b/mm/memory.c index 7a11ddd5060f..2bee1f21aa8a 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1871,6 +1871,7 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, goto out; entry = pte_to_swp_entry(orig_pte); +again: page = lookup_swap_cache(entry); if (!page) { swapin_readahead(entry, address, vma); @@ -1894,6 +1895,12 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, mark_page_accessed(page); lock_page(page); + if (!PageSwapCache(page)) { + /* Page migration has occured */ + unlock_page(page); + page_cache_release(page); + goto again; + } /* * Back out if somebody else already faulted in this pte. |