[PATCH] ext4: group info caches set to SLAB_MEM_SPREAD flags.
From: Namjae Jeon <hidden>
Date: 2011-11-19 22:48:57
Also in:
lkml
Subsystem:
ext4 file system, filesystems (vfs and infrastructure), the rest · Maintainers:
"Theodore Ts'o", Alexander Viro, Christian Brauner, Linus Torvalds
If group info caches set to SLAB_MEM_SPREAD flags, the allocation is spread evenly over all the memory nodes when using cpuset. It is useful because group info caches are long lived. Signed-off-by: Namjae Jeon <redacted> Signed-off-by: Amit Sahrawat <redacted> --- fs/ext4/mballoc.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index e2d8be8..7aacbbe 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c@@ -2407,7 +2407,8 @@ static int ext4_groupinfo_create_slab(size_t size) bb_counters[blocksize_bits + 2]); cachep = kmem_cache_create(ext4_groupinfo_slab_names[cache_index], - slab_size, 0, SLAB_RECLAIM_ACCOUNT, + slab_size, 0, SLAB_RECLAIM_ACCOUNT | + SLAB_MEM_SPREAD, NULL); ext4_groupinfo_caches[cache_index] = cachep;
--
1.7.4.4