The patch titled
Subject: slab: factor out initialization of array cache
has been removed from the -mm tree. Its filename was
slab-factor-out-initialization-of-arracy-cache.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Subject: slab: factor out initialization of array cache
Factor out initialization of array cache to use it in following patch.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Acked-by: Christoph Lameter <cl@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/slab.c | 33 +++++++++++++++++++--------------
1 file changed, 19 insertions(+), 14 deletions(-)
diff -puN mm/slab.c~slab-factor-out-initialization-of-arracy-cache mm/slab.c
--- a/mm/slab.c~slab-factor-out-initialization-of-arracy-cache
+++ a/mm/slab.c
@@ -791,13 +791,8 @@ static void start_cpu_timer(int cpu)
}
}
-static struct array_cache *alloc_arraycache(int node, int entries,
- int batchcount, gfp_t gfp)
+static void init_arraycache(struct array_cache *ac, int limit, int batch)
{
- int memsize = sizeof(void *) * entries + sizeof(struct array_cache);
- struct array_cache *nc = NULL;
-
- nc = kmalloc_node(memsize, gfp, node);
/*
* The array_cache structures contain pointers to free object.
* However, when such objects are allocated or transferred to another
@@ -805,15 +800,25 @@ static struct array_cache *alloc_arrayca
* valid references during a kmemleak scan. Therefore, kmemleak must
* not scan such objects.
*/
- kmemleak_no_scan(nc);
- if (nc) {
- nc->avail = 0;
- nc->limit = entries;
- nc->batchcount = batchcount;
- nc->touched = 0;
- spin_lock_init(&nc->lock);
+ kmemleak_no_scan(ac);
+ if (ac) {
+ ac->avail = 0;
+ ac->limit = limit;
+ ac->batchcount = batch;
+ ac->touched = 0;
+ spin_lock_init(&ac->lock);
}
- return nc;
+}
+
+static struct array_cache *alloc_arraycache(int node, int entries,
+ int batchcount, gfp_t gfp)
+{
+ int memsize = sizeof(void *) * entries + sizeof(struct array_cache);
+ struct array_cache *ac = NULL;
+
+ ac = kmalloc_node(memsize, gfp, node);
+ init_arraycache(ac, entries, batchcount);
+ return ac;
}
static inline bool is_slab_pfmemalloc(struct page *page)
_
Patches currently in -mm which might be from iamjoonsoo.kim@xxxxxxx are
origin.patch
mm-compactionc-isolate_freepages_block-small-tuneup.patch
page-owners-correct-page-order-when-to-free-page.patch
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