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authorVlastimil Babka <vbabka@suse.cz>2016-03-15 14:56:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-15 16:55:16 -0700
commit5b3810e5c6e1b9a1858464a53b5d72ee050bb918 (patch)
tree5bfa84a81f1bc4e7dd45214e76c46d3594c41e36 /mm/slab.c
parent1414c7f4f7d72d138fff35f00151d15749b5beda (diff)
downloadop-kernel-dev-5b3810e5c6e1b9a1858464a53b5d72ee050bb918.zip
op-kernel-dev-5b3810e5c6e1b9a1858464a53b5d72ee050bb918.tar.gz
mm, sl[au]b: print gfp_flags as strings in slab_out_of_memory()
We can now print gfp_flags more human-readable. Make use of this in slab_out_of_memory() for SLUB and SLAB. Also convert the SLAB variant it to pr_warn() along the way. Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: David Rientjes <rientjes@google.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slab.c')
-rw-r--r--mm/slab.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 863c005..852fc5c 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1350,10 +1350,9 @@ slab_out_of_memory(struct kmem_cache *cachep, gfp_t gfpflags, int nodeid)
if ((gfpflags & __GFP_NOWARN) || !__ratelimit(&slab_oom_rs))
return;
- printk(KERN_WARNING
- "SLAB: Unable to allocate memory on node %d (gfp=0x%x)\n",
- nodeid, gfpflags);
- printk(KERN_WARNING " cache: %s, object size: %d, order: %d\n",
+ pr_warn("SLAB: Unable to allocate memory on node %d, gfp=%#x(%pGg)\n",
+ nodeid, gfpflags, &gfpflags);
+ pr_warn(" cache: %s, object size: %d, order: %d\n",
cachep->name, cachep->size, cachep->gfporder);
for_each_kmem_cache_node(cachep, node, n) {
@@ -1377,8 +1376,7 @@ slab_out_of_memory(struct kmem_cache *cachep, gfp_t gfpflags, int nodeid)
num_slabs += active_slabs;
num_objs = num_slabs * cachep->num;
- printk(KERN_WARNING
- " node %d: slabs: %ld/%ld, objs: %ld/%ld, free: %ld\n",
+ pr_warn(" node %d: slabs: %ld/%ld, objs: %ld/%ld, free: %ld\n",
node, active_slabs, num_slabs, active_objs, num_objs,
free_objects);
}
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