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    Subject[PATCH v3 67/76] mm: dcache: use kmem_cache_alloc_lru() to allocate dentry
    Date
    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 <songmuchun@bytedance.com>
    ---
    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
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