When doing echo 3 > /proc/sys/vm/drop_caches, we wish to free up as much inode
and dentry slab as possible. This path is updated to flush any pending iputs
and dputs once the shrinkers are called.
Signed-off-by: Mike Waychison <mikew@xxxxxxxxxx>
---
fs/drop_caches.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index 3e5637f..1e47470 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -60,6 +60,7 @@ static void drop_slab(void)
do {
nr_objects = shrink_slab(1000, GFP_KERNEL, 1000);
} while (nr_objects > 10);
+ dput_drain_all();
}
int drop_caches_sysctl_handler(ctl_table *table, int write,
--
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