ext4: use KMEM_CACHE instead of kmem_cache_create

Also remove the SLAB_RECLAIM_ACCOUNT flag from the system zone kmem
cache.  This slab tends to be fairly static, so it shouldn't be marked
as likely to have free pages that can be reclaimed.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>


diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c
index 3db5084..68bab70 100644
--- a/fs/ext4/block_validity.c
+++ b/fs/ext4/block_validity.c
@@ -31,8 +31,7 @@
 
 int __init init_ext4_system_zone(void)
 {
-	ext4_system_zone_cachep = KMEM_CACHE(ext4_system_zone,
-					     SLAB_RECLAIM_ACCOUNT);
+	ext4_system_zone_cachep = KMEM_CACHE(ext4_system_zone, 0);
 	if (ext4_system_zone_cachep == NULL)
 		return -ENOMEM;
 	return 0;