linux-kernel - [PATCH 2/3] erofs: add necessary kmem_cache

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Date:   Tue, 15 Aug 2023 17:48:48 +0800
From:   Ferry Meng <mengferry@...ux.alibaba.com>
To:     linux-erofs@...ts.ozlabs.org
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ferry Meng <mengferry@...ux.alibaba.com>
Subject: [PATCH 2/3] erofs: add necessary kmem_cache_create flags for erofs inode cache

To improve memory access efficiency and enable statistics functionality,
add SLAB_MEM_SPREAD and SLAB_ACCOUNT flag during erofs_icachep's allocation
time.

Signed-off-by: Ferry Meng <mengferry@...ux.alibaba.com>
---
 fs/erofs/super.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index ae5caf605ffc..82f41d09f8d8 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -937,9 +937,9 @@ static int __init erofs_module_init(void)
 	erofs_check_ondisk_layout_definitions();
 
 	erofs_inode_cachep = kmem_cache_create("erofs_inode",
-					       sizeof(struct erofs_inode), 0,
-					       SLAB_RECLAIM_ACCOUNT,
-					       erofs_inode_init_once);
+					    sizeof(struct erofs_inode), 0,
+					    SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD | SLAB_ACCOUNT,
+					    erofs_inode_init_once);
 	if (!erofs_inode_cachep)
 		return -ENOMEM;
 
-- 
2.19.1.6.gb485710b