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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-09-17 15:29:49 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-09-17 15:29:49 +0200 |
| commit | 7577911244c437f4a4abac5e4b67b059c06dbe9d (patch) | |
| tree | 4f0078ddacff226e26b03fa4f6cf185d48633124 /mm/mincore.c | |
| parent | [media] mt9p031: Aptina (Micron) MT9P031 5MP sensor driver (diff) | |
| parent | Linux 3.1-rc6 (diff) | |
| download | linux-7577911244c437f4a4abac5e4b67b059c06dbe9d.tar.xz linux-7577911244c437f4a4abac5e4b67b059c06dbe9d.zip | |
Merge tag 'v3.1-rc6' into staging/for_v3.2
* tag 'v3.1-rc6': (1902 commits)
Linux 3.1-rc6
ioctl: register LTTng ioctl
fuse: fix memory leak
fuse: fix flock breakage
Btrfs: add dummy extent if dst offset excceeds file end in
Btrfs: calc file extent num_bytes correctly in file clone
btrfs: xattr: fix attribute removal
Btrfs: fix wrong nbytes information of the inode
Btrfs: fix the file extent gap when doing direct IO
Btrfs: fix unclosed transaction handle in btrfs_cont_expand
Btrfs: fix misuse of trans block rsv
Btrfs: reset to appropriate block rsv after orphan operations
Btrfs: skip locking if searching the commit root in csum lookup
btrfs: fix warning in iput for bad-inode
Btrfs: fix an oops when deleting snapshots
[media] vp7045: fix buffer setup
[media] nuvoton-cir: simplify raw IR sample handling
[media] [Resend] viacam: Don't explode if pci_find_bus() returns NULL
[media] v4l2: Fix documentation of the codec device controls
[media] gspca - sonixj: Fix the darkness of sensor om6802 in 320x240
...
Diffstat (limited to 'mm/mincore.c')
| -rw-r--r-- | mm/mincore.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/mm/mincore.c b/mm/mincore.c index a4e6b9d75c76..636a86876ff2 100644 --- a/mm/mincore.c +++ b/mm/mincore.c @@ -69,12 +69,15 @@ static unsigned char mincore_page(struct address_space *mapping, pgoff_t pgoff) * file will not get a swp_entry_t in its pte, but rather it is like * any other file mapping (ie. marked !present and faulted in with * tmpfs's .fault). So swapped out tmpfs mappings are tested here. - * - * However when tmpfs moves the page from pagecache and into swapcache, - * it is still in core, but the find_get_page below won't find it. - * No big deal, but make a note of it. */ page = find_get_page(mapping, pgoff); +#ifdef CONFIG_SWAP + /* shmem/tmpfs may return swap: account for swapcache page too. */ + if (radix_tree_exceptional_entry(page)) { + swp_entry_t swap = radix_to_swp_entry(page); + page = find_get_page(&swapper_space, swap.val); + } +#endif if (page) { present = PageUptodate(page); page_cache_release(page); |