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| author | Ingo Molnar <mingo@kernel.org> | 2016-05-07 07:00:07 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-05-07 07:00:07 +0200 |
| commit | 35dc9ec1076b79c31bf7ed538af008b7f23bb14d (patch) | |
| tree | f90affdd5dc45f47f8d5d84ea34c71e5e521e7a1 /mm/page_io.c | |
| parent | 0ec7ae928a9c19c2b7b8054507d5694a2597065e (diff) | |
| parent | 07837831047fb72856d1f61a726a4094397facd8 (diff) | |
| download | op-kernel-dev-35dc9ec1076b79c31bf7ed538af008b7f23bb14d.zip op-kernel-dev-35dc9ec1076b79c31bf7ed538af008b7f23bb14d.tar.gz | |
Merge branch 'linus' into efi/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/page_io.c')
| -rw-r--r-- | mm/page_io.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/mm/page_io.c b/mm/page_io.c index cd92e3d..985f23c 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -353,7 +353,11 @@ int swap_readpage(struct page *page) ret = bdev_read_page(sis->bdev, swap_page_sector(page), page); if (!ret) { - swap_slot_free_notify(page); + if (trylock_page(page)) { + swap_slot_free_notify(page); + unlock_page(page); + } + count_vm_event(PSWPIN); return 0; } |
