The patch titled
Subject: slub: make ->remote_node_defrag_ratio unsigned int
has been added to the -mm tree. Its filename is
slub-make-remote_node_defrag_ratio-unsigned-int.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/slub-make-remote_node_defrag_ratio-unsigned-int.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/slub-make-remote_node_defrag_ratio-unsigned-int.patch
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The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: slub: make ->remote_node_defrag_ratio unsigned int
->remote_node_defrag_ratio is in range 0..1000.
Link: http://lkml.kernel.org/r/20180305200730.15812-9-adobriyan@xxxxxxxxx
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/slub_def.h | 2 +-
mm/slub.c | 11 ++++++-----
2 files changed, 7 insertions(+), 6 deletions(-)
diff -puN include/linux/slub_def.h~slub-make-remote_node_defrag_ratio-unsigned-int include/linux/slub_def.h
--- a/include/linux/slub_def.h~slub-make-remote_node_defrag_ratio-unsigned-int
+++ a/include/linux/slub_def.h
@@ -124,7 +124,7 @@ struct kmem_cache {
/*
* Defragmentation by allocating from a remote node.
*/
- int remote_node_defrag_ratio;
+ unsigned int remote_node_defrag_ratio;
#endif
#ifdef CONFIG_SLAB_FREELIST_RANDOM
diff -puN mm/slub.c~slub-make-remote_node_defrag_ratio-unsigned-int mm/slub.c
--- a/mm/slub.c~slub-make-remote_node_defrag_ratio-unsigned-int
+++ a/mm/slub.c
@@ -5288,21 +5288,22 @@ SLAB_ATTR(shrink);
#ifdef CONFIG_NUMA
static ssize_t remote_node_defrag_ratio_show(struct kmem_cache *s, char *buf)
{
- return sprintf(buf, "%d\n", s->remote_node_defrag_ratio / 10);
+ return sprintf(buf, "%u\n", s->remote_node_defrag_ratio / 10);
}
static ssize_t remote_node_defrag_ratio_store(struct kmem_cache *s,
const char *buf, size_t length)
{
- unsigned long ratio;
+ unsigned int ratio;
int err;
- err = kstrtoul(buf, 10, &ratio);
+ err = kstrtouint(buf, 10, &ratio);
if (err)
return err;
+ if (ratio > 100)
+ return -ERANGE;
- if (ratio <= 100)
- s->remote_node_defrag_ratio = ratio * 10;
+ s->remote_node_defrag_ratio = ratio * 10;
return length;
}
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
slab-mark-kmalloc-machinery-as-__ro_after_init.patch
slab-fixup-calculate_alignment-argument-type.patch
slab-make-kmalloc_index-return-unsigned-int.patch
slab-make-kmalloc_size-return-unsigned-int.patch
slab-make-create_kmalloc_cache-work-with-32-bit-sizes.patch
slab-make-create_boot_cache-work-with-32-bit-sizes.patch
slab-make-kmem_cache_create-work-with-32-bit-sizes.patch
slab-make-size_index-array-u8.patch
slab-make-size_index_elem-unsigned-int.patch
slub-make-remote_node_defrag_ratio-unsigned-int.patch
slub-make-max_attr_size-unsigned-int.patch
slub-make-red_left_pad-unsigned-int.patch
slub-make-reserved-unsigned-int.patch
slub-make-align-unsigned-int.patch
slub-make-inuse-unsigned-int.patch
slub-make-cpu_partial-unsigned-int.patch
slub-make-offset-unsigned-int.patch
slub-make-object_size-unsigned-int.patch
slub-make-size-unsigned-int.patch
slab-make-kmem_cache_flags-accept-32-bit-object-size.patch
kasan-make-kasan_cache_create-work-with-32-bit-slab-cache-sizes.patch
slab-make-usercopy-region-32-bit.patch
slub-make-slab_index-return-unsigned-int.patch
slub-make-struct-kmem_cache_order_objects-x-unsigned-int.patch
slub-make-size_from_object-return-unsigned-int.patch
slab-use-32-bit-arithmetic-in-freelist_randomize.patch
proc-do-less-stuff-under-pde_unload_lock.patch
proc-move-proc-sysvipc-creation-to-where-it-belongs.patch
proc-faster-open-close-of-files-without-release-hook.patch
proc-randomize-struct-pde_opener.patch
proc-move-struct-pde_opener-to-kmem-cache.patch
proc-account-struct-pde_opener.patch
proc-check-permissions-earlier-for-proc-wchan.patch
proc-use-set_puts-at-proc-wchan.patch
proc-test-proc-self-wchan.patch
proc-test-proc-self-syscall.patch
uts-create-struct-uts_namespace-from-kmem_cache.patch
seq_file-delete-small-value-optimization.patch
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