[PATCH v2 20/23] mm/slab_common: factor out __do_kmalloc_node()
From: Hyeonggon Yoo
Date: Thu Apr 14 2022 - 05:02:19 EST
Factor out common code into __do_kmalloc_node().
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
---
mm/slab_common.c | 27 ++++++++++-----------------
1 file changed, 10 insertions(+), 17 deletions(-)
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 6abe7f61c197..af563e64e8aa 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -919,7 +919,9 @@ void free_large_kmalloc(struct folio *folio, void *object)
__free_pages(folio_page(folio, 0), order);
}
-void *__kmalloc_node(size_t size, gfp_t flags, int node)
+static __always_inline
+void *__do_kmalloc_node(size_t size, gfp_t flags, int node,
+ unsigned long caller __maybe_unused)
{
struct kmem_cache *s;
void *ret;
@@ -932,31 +934,22 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
- ret = __kmem_cache_alloc_node(s, NULL, flags, node, _RET_IP_);
+ ret = __kmem_cache_alloc_node(s, NULL, flags, node, caller);
ret = kasan_kmalloc(s, ret, size, flags);
return ret;
}
+
+void *__kmalloc_node(size_t size, gfp_t flags, int node)
+{
+ return __do_kmalloc_node(size, flags, node, _RET_IP_);
+}
EXPORT_SYMBOL(__kmalloc_node);
void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
int node, unsigned long caller)
{
- struct kmem_cache *s;
- void *ret;
-
- if (unlikely(size > KMALLOC_MAX_CACHE_SIZE))
- return kmalloc_large_node(size, gfpflags, node);
-
- s = kmalloc_slab(size, gfpflags);
-
- if (unlikely(ZERO_OR_NULL_PTR(s)))
- return s;
-
- ret = __kmem_cache_alloc_node(s, NULL, gfpflags, node, caller);
- ret = kasan_kmalloc(s, ret, size, gfpflags);
-
- return ret;
+ return __do_kmalloc_node(size, flags, node, caller);
}
EXPORT_SYMBOL(__kmalloc_node_track_caller);
--
2.32.0