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-rw-r--r--mm/shmem.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index bd9b4ea307b2..adf5c3eedbc9 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -928,8 +928,12 @@ found:
error = 1;
if (!inode)
goto out;
- /* Charge page using GFP_HIGHUSER_MOVABLE while we can wait */
- error = mem_cgroup_cache_charge(page, current->mm, GFP_HIGHUSER_MOVABLE);
+ /*
+ * Charge page using GFP_HIGHUSER_MOVABLE while we can wait.
+ * charged back to the user(not to caller) when swap account is used.
+ */
+ error = mem_cgroup_cache_charge_swapin(page,
+ current->mm, GFP_HIGHUSER_MOVABLE, true);
if (error)
goto out;
error = radix_tree_preload(GFP_KERNEL);
@@ -1266,6 +1270,16 @@ repeat:
goto repeat;
}
wait_on_page_locked(swappage);
+ /*
+ * We want to avoid charge at add_to_page_cache().
+ * charge against this swap cache here.
+ */
+ if (mem_cgroup_cache_charge_swapin(swappage,
+ current->mm, gfp, false)) {
+ page_cache_release(swappage);
+ error = -ENOMEM;
+ goto failed;
+ }
page_cache_release(swappage);
goto repeat;
}