mm/tracing: add 'accounted' entry into output of allocation tracepoints

Slab caches marked with SLAB_ACCOUNT force accounting for every
allocation from this cache even if __GFP_ACCOUNT flag is not passed.
Unfortunately, at the moment this flag is not visible in ftrace output,
and this makes it difficult to analyze the accounted allocations.

This patch adds boolean "accounted" entry into trace output,
and set it to 'true' for calls used __GFP_ACCOUNT flag and
for allocations from caches marked with SLAB_ACCOUNT.
Set it to 'false' if accounting is disabled in configs.

Signed-off-by: Vasily Averin <vvs@openvz.org>
Acked-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Link: https://lore.kernel.org/r/c418ed25-65fe-f623-fbf8-1676528859ed@openvz.org
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>

1 files changed, 10 insertions, 10 deletions

diff --git a/mm/slub.c b/mm/slub.c
index c21edf51e99f..514741cd1c3c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3257,7 +3257,7 @@ void *__kmem_cache_alloc_lru(struct kmem_cache *s, struct list_lru *lru,
 {
 	void *ret = slab_alloc(s, lru, gfpflags, _RET_IP_, s->object_size);
 
-	trace_kmem_cache_alloc(_RET_IP_, ret, s->object_size,
+	trace_kmem_cache_alloc(_RET_IP_, ret, s, s->object_size,
 				s->size, gfpflags);
 
 	return ret;
@@ -3280,7 +3280,7 @@ EXPORT_SYMBOL(kmem_cache_alloc_lru);
 void *kmem_cache_alloc_trace(struct kmem_cache *s, gfp_t gfpflags, size_t size)
 {
 	void *ret = slab_alloc(s, NULL, gfpflags, _RET_IP_, size);
-	trace_kmalloc(_RET_IP_, ret, size, s->size, gfpflags);
+	trace_kmalloc(_RET_IP_, ret, s, size, s->size, gfpflags);
 	ret = kasan_kmalloc(s, ret, size, gfpflags);
 	return ret;
 }
@@ -3292,7 +3292,7 @@ void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags, int node)
 {
 	void *ret = slab_alloc_node(s, NULL, gfpflags, node, _RET_IP_, s->object_size);
 
-	trace_kmem_cache_alloc_node(_RET_IP_, ret,
+	trace_kmem_cache_alloc_node(_RET_IP_, ret, s,
 				    s->object_size, s->size, gfpflags, node);
 
 	return ret;
@@ -3306,7 +3306,7 @@ void *kmem_cache_alloc_node_trace(struct kmem_cache *s,
 {
 	void *ret = slab_alloc_node(s, NULL, gfpflags, node, _RET_IP_, size);
 
-	trace_kmalloc_node(_RET_IP_, ret,
+	trace_kmalloc_node(_RET_IP_, ret, s,
 			   size, s->size, gfpflags, node);
 
 	ret = kasan_kmalloc(s, ret, size, gfpflags);
@@ -4441,7 +4441,7 @@ void *__kmalloc(size_t size, gfp_t flags)
 
 	ret = slab_alloc(s, NULL, flags, _RET_IP_, size);
 
-	trace_kmalloc(_RET_IP_, ret, size, s->size, flags);
+	trace_kmalloc(_RET_IP_, ret, s, size, s->size, flags);
 
 	ret = kasan_kmalloc(s, ret, size, flags);
 
@@ -4475,7 +4475,7 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
 	if (unlikely(size > KMALLOC_MAX_CACHE_SIZE)) {
 		ret = kmalloc_large_node(size, flags, node);
 
-		trace_kmalloc_node(_RET_IP_, ret,
+		trace_kmalloc_node(_RET_IP_, ret, NULL,
 				   size, PAGE_SIZE << get_order(size),
 				   flags, node);
 
@@ -4489,7 +4489,7 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
 
 	ret = slab_alloc_node(s, NULL, flags, node, _RET_IP_, size);
 
-	trace_kmalloc_node(_RET_IP_, ret, size, s->size, flags, node);
+	trace_kmalloc_node(_RET_IP_, ret, s, size, s->size, flags, node);
 
 	ret = kasan_kmalloc(s, ret, size, flags);
 
@@ -4946,7 +4946,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, unsigned long caller)
 	ret = slab_alloc(s, NULL, gfpflags, caller, size);
 
 	/* Honor the call site pointer we received. */
-	trace_kmalloc(caller, ret, size, s->size, gfpflags);
+	trace_kmalloc(caller, ret, s, size, s->size, gfpflags);
 
 	return ret;
 }
@@ -4962,7 +4962,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
 	if (unlikely(size > KMALLOC_MAX_CACHE_SIZE)) {
 		ret = kmalloc_large_node(size, gfpflags, node);
 
-		trace_kmalloc_node(caller, ret,
+		trace_kmalloc_node(caller, ret, NULL,
 				   size, PAGE_SIZE << get_order(size),
 				   gfpflags, node);
 
@@ -4977,7 +4977,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
 	ret = slab_alloc_node(s, NULL, gfpflags, node, caller, size);
 
 	/* Honor the call site pointer we received. */
-	trace_kmalloc_node(caller, ret, size, s->size, gfpflags, node);
+	trace_kmalloc_node(caller, ret, s, size, s->size, gfpflags, node);
 
 	return ret;
 }