2022-02-28 12:47:07

by Muchun Song

[permalink] [raw]
Subject: [PATCH v6 07/16] mm: dcache: use kmem_cache_alloc_lru() to allocate dentry

Like inode cache, the dentry will also be added to its memcg list_lru.
So replace kmem_cache_alloc() with kmem_cache_alloc_lru() to allocate
dentry.

Signed-off-by: Muchun Song <[email protected]>
Acked-by: Roman Gushchin <[email protected]>
---
fs/dcache.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index c84269c6e8bf..93f4f5ee07bf 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1766,7 +1766,8 @@ static struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name)
char *dname;
int err;

- dentry = kmem_cache_alloc(dentry_cache, GFP_KERNEL);
+ dentry = kmem_cache_alloc_lru(dentry_cache, &sb->s_dentry_lru,
+ GFP_KERNEL);
if (!dentry)
return NULL;

--
2.11.0