diff options
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 2ca13227747b..6ff2a3fb0dc7 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -837,6 +837,7 @@ noinline int __add_to_page_cache_locked(struct page *page, XA_STATE(xas, &mapping->i_pages, offset); int huge = PageHuge(page); int error; + bool charged = false; VM_BUG_ON_PAGE(!PageLocked(page), page); VM_BUG_ON_PAGE(PageSwapBacked(page), page); @@ -850,6 +851,7 @@ noinline int __add_to_page_cache_locked(struct page *page, error = mem_cgroup_charge(page, current->mm, gfp); if (error) goto error; + charged = true; } gfp &= GFP_RECLAIM_MASK; @@ -898,6 +900,8 @@ unlock: if (xas_error(&xas)) { error = xas_error(&xas); + if (charged) + mem_cgroup_uncharge(page); goto error; } |