diff options
| author | Naoya Horiguchi <[email protected]> | 2015-05-05 16:23:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2015-05-05 17:10:10 -0700 |
| commit | 602498f9aa43d4951eece3fd6ad95a6d0a78d537 (patch) | |
| tree | 0cf960b93d33ac4f3d27c6dd5b5af3856f7eadae /lib/cpu-notifier-error-inject.c | |
| parent | 4d61ff6b9960cb00cf2c12abd5769aa2dd475415 (diff) | |
mm: soft-offline: fix num_poisoned_pages counting on concurrent events
If multiple soft offline events hit one free page/hugepage concurrently,
soft_offline_page() can handle the free page/hugepage multiple times,
which makes num_poisoned_pages counter increased more than once. This
patch fixes this wrong counting by checking TestSetPageHWPoison for normal
papes and by checking the return value of dequeue_hwpoisoned_huge_page()
for hugepages.
Signed-off-by: Naoya Horiguchi <[email protected]>
Acked-by: Dean Nelson <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: <[email protected]> [3.14+]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'lib/cpu-notifier-error-inject.c')
0 files changed, 0 insertions, 0 deletions