Re: [PATCH 1/2] mm/slab: add a node-track-caller variant for kmem buckets allocation
From: "Vlastimil Babka (SUSE)" <vbabka@kernel.org>
Date: 2026-06-05 11:59:24
Also in:
linux-hardening, linux-mm, lkml
On 6/2/26 20:31, Pedro Falcato wrote:
This is required by users that want to use kmem buckets, but still desire specifying the NUMA node. Signed-off-by: Pedro Falcato <pfalcato@suse.de>
Acked-by: Vlastimil Babka (SUSE) <vbabka@kernel.org> As the main change is in net code, probably should go in the net tree?
quoted hunk ↗ jump to hunk
--- include/linux/slab.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)diff --git a/include/linux/slab.h b/include/linux/slab.h index 7b46fa499b08..685a87d8f0c5 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h@@ -1153,8 +1153,11 @@ void *kmalloc_nolock(size_t size, gfp_t gfp_flags, int node); #define kmem_buckets_alloc(_b, _size, _flags) \ alloc_hooks(__kmalloc_node_noprof(PASS_KMALLOC_PARAMS(_size, _b, __kmalloc_token(_size)), _flags, NUMA_NO_NODE)) -#define kmem_buckets_alloc_track_caller(_b, _size, _flags) \ - alloc_hooks(__kmalloc_node_track_caller_noprof(PASS_KMALLOC_PARAMS(_size, _b, __kmalloc_token(_size)), _flags, NUMA_NO_NODE, _RET_IP_)) +#define kmem_buckets_alloc_node_track_caller(_b, _size, _flags, _node) \ + alloc_hooks(__kmalloc_node_track_caller_noprof(PASS_KMALLOC_PARAMS(_size, _b, __kmalloc_token(_size)), _flags, _node, _RET_IP_)) + +#define kmem_buckets_alloc_track_caller(_b, _size, _flags) \ + kmem_buckets_alloc_node_track_caller(_b, _size, _flags, NUMA_NO_NODE) static __always_inline __alloc_size(1) void *_kmalloc_node_noprof(size_t size, gfp_t flags, int node, kmalloc_token_t token) {