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authorIngo Molnar <mingo@kernel.org>2021-02-17 14:04:39 +0100
committerIngo Molnar <mingo@kernel.org>2021-02-17 14:04:39 +0100
commited3cd45f8ca873dd320ff7e6b4c1c8f83a65302c (patch)
tree783a02c1e78964654fe6d9a9c14b24bfc50e6b3b /mm/filemap.c
parentbae4ec13640b0915e7dd86da7e65c5d085160571 (diff)
parentf40ddce88593482919761f74910f42f4b84c004b (diff)
Merge tag 'v5.11' into sched/core, to pick up fixes & refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/filemap.c')
-rw-r--r--mm/filemap.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 5c9d564317a5..aa0e0fb04670 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -835,6 +835,7 @@ 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);
@@ -848,6 +849,7 @@ 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;
@@ -896,6 +898,8 @@ unlock:
if (xas_error(&xas)) {
error = xas_error(&xas);
+ if (charged)
+ mem_cgroup_uncharge(page);
goto error;
}