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slub: make ->cpu_partial unsigned int
commit e5d9998f3e
upstream.
/*
* cpu_partial determined the maximum number of objects
* kept in the per cpu partial lists of a processor.
*/
Can't be negative.
Link: http://lkml.kernel.org/r/20180305200730.15812-15-adobriyan@gmail.com
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
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>
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
e75c01761a
commit
1ddc0781c0
2 changed files with 5 additions and 4 deletions
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@ -88,7 +88,8 @@ struct kmem_cache {
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int object_size; /* The size of an object without meta data */
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int offset; /* Free pointer offset. */
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#ifdef CONFIG_SLUB_CPU_PARTIAL
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int cpu_partial; /* Number of per cpu partial objects to keep around */
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/* Number of per cpu partial objects to keep around */
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unsigned int cpu_partial;
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#endif
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struct kmem_cache_order_objects oo;
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@ -1807,7 +1807,7 @@ static void *get_partial_node(struct kmem_cache *s, struct kmem_cache_node *n,
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{
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struct page *page, *page2;
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void *object = NULL;
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int available = 0;
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unsigned int available = 0;
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int objects;
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/*
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@ -4942,10 +4942,10 @@ static ssize_t cpu_partial_show(struct kmem_cache *s, char *buf)
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static ssize_t cpu_partial_store(struct kmem_cache *s, const char *buf,
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size_t length)
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{
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unsigned long objects;
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unsigned int objects;
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int err;
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err = kstrtoul(buf, 10, &objects);
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err = kstrtouint(buf, 10, &objects);
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if (err)
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return err;
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if (objects && !kmem_cache_has_cpu_partial(s))
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