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RCU pathwalk breakage when running into a symlink overmounting something
[firefly-linux-kernel-4.4.55.git]
/
fs
/
drop_caches.c
diff --git
a/fs/drop_caches.c
b/fs/drop_caches.c
index 98b77c89494caf7c364272194316d431e10cfcef..c00e055b62820945bef291fa68b145a4d7145667 100644
(file)
--- a/
fs/drop_caches.c
+++ b/
fs/drop_caches.c
@@
-40,9
+40,12
@@
static void drop_pagecache_sb(struct super_block *sb, void *unused)
static void drop_slab(void)
{
int nr_objects;
+ struct shrink_control shrink = {
+ .gfp_mask = GFP_KERNEL,
+ };
do {
- nr_objects = shrink_slab(
1000, GFP_KERNEL
, 1000);
+ nr_objects = shrink_slab(
&shrink, 1000
, 1000);
} while (nr_objects > 10);
}