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| author | Hyeonggon Yoo <42.hyeyoo@gmail.com> | 2022-08-17 13:18:17 +0300 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2022-08-24 17:11:41 +0300 |
| commit | bf37d791022ecfb1279ac88c5448a53f1ae40a59 (patch) | |
| tree | 99b826afce6cbfd427a9c4f3b4e4bc71bcd081b0 /mm | |
| parent | a0c3b940023eef3fa005b2bc37d9312712331dcb (diff) | |
| download | linux-bf37d791022ecfb1279ac88c5448a53f1ae40a59.tar.xz | |
mm/slab_common: kmalloc_node: pass large requests to page allocator
Now that kmalloc_large_node() is in common code, pass large requests
to page allocator in kmalloc_node() using kmalloc_large_node().
One problem is that currently there is no tracepoint in
kmalloc_large_node(). Instead of simply putting tracepoint in it,
use kmalloc_large_node{,_notrace} depending on its caller to show
useful address for both inlined kmalloc_node() and
__kmalloc_node_track_caller() when large objects are allocated.
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/slab.h | 2 | ||||
| -rw-r--r-- | mm/slab_common.c | 11 | ||||
| -rw-r--r-- | mm/slub.c | 2 |
3 files changed, 13 insertions, 2 deletions
diff --git a/mm/slab.h b/mm/slab.h index 4ec82bec15ec..801a207a5cd7 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -275,6 +275,8 @@ void create_kmalloc_caches(slab_flags_t); struct kmem_cache *kmalloc_slab(size_t, gfp_t); #endif +void *kmalloc_large_node_notrace(size_t size, gfp_t flags, int node); + gfp_t kmalloc_fix_flags(gfp_t flags); /* Functions provided by the slab allocators */ diff --git a/mm/slab_common.c b/mm/slab_common.c index 1b9101f9cb21..7a0942d54424 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -928,7 +928,7 @@ void *kmalloc_large(size_t size, gfp_t flags) } EXPORT_SYMBOL(kmalloc_large); -void *kmalloc_large_node(size_t size, gfp_t flags, int node) +void *kmalloc_large_node_notrace(size_t size, gfp_t flags, int node) { struct page *page; void *ptr = NULL; @@ -948,6 +948,15 @@ void *kmalloc_large_node(size_t size, gfp_t flags, int node) return ptr; } + +void *kmalloc_large_node(size_t size, gfp_t flags, int node) +{ + void *ret = kmalloc_large_node_notrace(size, flags, node); + + trace_kmalloc_node(_RET_IP_, ret, NULL, size, + PAGE_SIZE << get_order(size), flags, node); + return ret; +} EXPORT_SYMBOL(kmalloc_large_node); #ifdef CONFIG_SLAB_FREELIST_RANDOM diff --git a/mm/slub.c b/mm/slub.c index 5e7819ade2c4..165fe87af204 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -4401,7 +4401,7 @@ void *__do_kmalloc_node(size_t size, gfp_t flags, int node, unsigned long caller void *ret; if (unlikely(size > KMALLOC_MAX_CACHE_SIZE)) { - ret = kmalloc_large_node(size, flags, node); + ret = kmalloc_large_node_notrace(size, flags, node); trace_kmalloc_node(caller, ret, NULL, size, PAGE_SIZE << get_order(size), |