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| author | Jeff Garzik <jgarzik@pobox.com> | 2006-02-02 01:12:54 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-02-02 01:12:54 -0500 |
| commit | 18ee3610040a4c008ce08a40a5dd025241cc7e97 (patch) | |
| tree | 32a996a5123726b63c31a1522f230933fb967a32 /mm/memory.c | |
| parent | e4e7b89280d1d666e2c09e5ad36cf071796c4c7e (diff) | |
| parent | b4103333d7904310d34de18d85e51e3d74f00a3b (diff) | |
Merge branch 'master'
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. |