diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-05-06 20:37:42 +0300 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-05-06 20:37:42 +0300 |
| commit | cebeb0f1885fa93c44be5d4e0b9b640210ff088c (patch) | |
| tree | a33e4af4ddaa7a57f997ab9a2baceb48209670cd /mm/memory-failure.c | |
| parent | 939ecf6b14c46e3448411a934418311b492bfee4 (diff) | |
| parent | 48d11dc37977614a461bfedddc52d1c651bc279f (diff) | |
Merge remote-tracking branch 'wireless-next/master' into iwlwifi-next
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 4f08a2d61487f..35ef28acf137c 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -145,14 +145,10 @@ static int hwpoison_filter_task(struct page *p) return -EINVAL; css = mem_cgroup_css(mem); - /* root_mem_cgroup has NULL dentries */ - if (!css->cgroup->dentry) - return -EINVAL; - - ino = css->cgroup->dentry->d_inode->i_ino; + ino = cgroup_ino(css->cgroup); css_put(css); - if (ino != hwpoison_filter_memcg) + if (!ino || ino != hwpoison_filter_memcg) return -EINVAL; return 0; @@ -945,8 +941,10 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn, * to it. Similarly, page lock is shifted. */ if (hpage != p) { - put_page(hpage); - get_page(p); + if (!(flags & MF_COUNT_INCREASED)) { + put_page(hpage); + get_page(p); + } lock_page(p); unlock_page(hpage); *hpagep = p; @@ -1649,7 +1647,7 @@ int soft_offline_page(struct page *page, int flags) { int ret; unsigned long pfn = page_to_pfn(page); - struct page *hpage = compound_trans_head(page); + struct page *hpage = compound_head(page); if (PageHWPoison(page)) { pr_info("soft offline: %#lx page already poisoned\n", pfn); |