github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-24 07:03:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

slab: introduce kvmalloc_array_node() and kvcalloc_node()

Browse Source 
Add NUMA-aware counterparts for kvmalloc_array() and kvcalloc() to be
able to flexibly allocate arrays for a particular node.
Rewrite kvmalloc_array() to kvmalloc_array_node(NUMA_NO_NODE) call.

Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Alexander Lobakin 2024-04-18 13:36:10 +02:00 committed by Tony Nguyen
parent 920d86f3c5
commit a1d6063d9f
1 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
include/linux/slab.h
View File

@ -774,14 +774,27 @@ static inline __alloc_size(1) void *kvzalloc(size_t size, gfp_t flags)
return kvmalloc(size, flags | __GFP_ZERO);
}
static inline __alloc_size(1, 2) void *kvmalloc_array(size_t n, size_t size, gfp_t flags)
static inline __alloc_size(1, 2) void *
kvmalloc_array_node(size_t n, size_t size, gfp_t flags, int node)
{
size_t bytes;
if (unlikely(check_mul_overflow(n, size, &bytes)))
return NULL;
return kvmalloc(bytes, flags);
return kvmalloc_node(bytes, flags, node);
}
static inline __alloc_size(1, 2) void *
kvmalloc_array(size_t n, size_t size, gfp_t flags)
{
return kvmalloc_array_node(n, size, flags, NUMA_NO_NODE);
}
static inline __alloc_size(1, 2) void *
kvcalloc_node(size_t n, size_t size, gfp_t flags, int node)
{
return kvmalloc_array_node(n, size, flags | __GFP_ZERO, node);
}
static inline __alloc_size(1, 2) void *kvcalloc(size_t n, size_t size, gfp_t flags)