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| author | Steve French <sfrench@us.ibm.com> | 2006-02-01 12:16:53 -0800 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2006-02-01 12:16:53 -0800 |
| commit | e6da74e1f20ea7822e52a9e4fbd3d25bd907e471 (patch) | |
| tree | d9b3bc7e654fb788d1cf3a1759b1b3c74cc56a04 /mm/memory.c | |
| parent | 1877c9ea66a29563987f22d0a86c66f438a87ce2 (diff) | |
| parent | 3c3b809e256c417847f1a96b2f9d9f66c7fcb02c (diff) | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Signed-off-by: Steve French <sfrench@us.ibm.com>
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 7a11ddd5060..2bee1f21aa8 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. |