The dentry will be added to its list_lru, so we should also allocate the lru list. Replace kmem_cache_alloc() with kmem_cache_alloc_lru(). Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> --- fs/dcache.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/dcache.c b/fs/dcache.c index cf871a81f4fd..36d4806d7284 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1741,7 +1741,8 @@ 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