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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>
This commit is contained in:
Theodore Ts'o 2010-10-27 21:30:09 -04:00
parent 7845c04975
commit 16828088f9
2 changed files with 7 additions and 14 deletions
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3
fs/ext4/block_validity.c
View File

@ -31,8 +31,7 @@ static struct kmem_cache *ext4_system_zone_cachep;
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;

18
fs/ext4/mballoc.c
View File

@ -2706,26 +2706,20 @@ static void ext4_remove_debugfs_entry(void)
int __init init_ext4_mballoc(void)
{
ext4_pspace_cachep =
kmem_cache_create("ext4_prealloc_space",
sizeof(struct ext4_prealloc_space),
0, SLAB_RECLAIM_ACCOUNT, NULL);
ext4_pspace_cachep = KMEM_CACHE(ext4_prealloc_space,
SLAB_RECLAIM_ACCOUNT);
if (ext4_pspace_cachep == NULL)
return -ENOMEM;
ext4_ac_cachep =
kmem_cache_create("ext4_alloc_context",
sizeof(struct ext4_allocation_context),
0, SLAB_RECLAIM_ACCOUNT, NULL);
ext4_ac_cachep = KMEM_CACHE(ext4_allocation_context,
SLAB_RECLAIM_ACCOUNT);
if (ext4_ac_cachep == NULL) {
kmem_cache_destroy(ext4_pspace_cachep);
return -ENOMEM;
}
ext4_free_ext_cachep =
kmem_cache_create("ext4_free_block_extents",
sizeof(struct ext4_free_data),
0, SLAB_RECLAIM_ACCOUNT, NULL);
ext4_free_ext_cachep = KMEM_CACHE(ext4_free_data,
SLAB_RECLAIM_ACCOUNT);
if (ext4_free_ext_cachep == NULL) {
kmem_cache_destroy(ext4_pspace_cachep);
kmem_cache_destroy(ext4_ac_cachep);