From: Hyeonggon Yoo <42.hyeyoo@gmail.com>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: Marco Elver <elver@google.com>,
Matthew WilCox <willy@infradead.org>,
Christoph Lameter <cl@linux.com>,
Pekka Enberg <penberg@kernel.org>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Andrew Morton <akpm@linux-foundation.org>,
Hyeonggon Yoo <42.hyeyoo@gmail.com>,
Roman Gushchin <roman.gushchin@linux.dev>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 06/23] mm/sl[auo]b: fold kmalloc_order_trace() into kmalloc_large()
Date: Thu, 14 Apr 2022 17:57:10 +0900 [thread overview]
Message-ID: <20220414085727.643099-7-42.hyeyoo@gmail.com> (raw)
In-Reply-To: <20220414085727.643099-1-42.hyeyoo@gmail.com>
There is no caller of kmalloc_order_trace() except kmalloc_large().
Fold it into kmalloc_large() and remove kmalloc_order{,_trace}().
Also add tracepoint in kmalloc_large() that was previously
in kmalloc_order_trace().
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
---
Changes from v1:
- updated some changelog (kmalloc_order() -> kmalloc_order_trace())
include/linux/slab.h | 22 ++--------------------
mm/slab_common.c | 14 +++-----------
2 files changed, 5 insertions(+), 31 deletions(-)
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 4c06d15f731c..6f6e22959b39 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -484,26 +484,8 @@ static __always_inline void *kmem_cache_alloc_node_trace(struct kmem_cache *s, g
}
#endif /* CONFIG_TRACING */
-extern void *kmalloc_order(size_t size, gfp_t flags, unsigned int order) __assume_page_alignment
- __alloc_size(1);
-
-#ifdef CONFIG_TRACING
-extern void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order)
- __assume_page_alignment __alloc_size(1);
-#else
-static __always_inline __alloc_size(1) void *kmalloc_order_trace(size_t size, gfp_t flags,
- unsigned int order)
-{
- return kmalloc_order(size, flags, order);
-}
-#endif
-
-static __always_inline __alloc_size(1) void *kmalloc_large(size_t size, gfp_t flags)
-{
- unsigned int order = get_order(size);
- return kmalloc_order_trace(size, flags, order);
-}
-
+extern void *kmalloc_large(size_t size, gfp_t flags) __assume_page_alignment
+ __alloc_size(1);
/**
* kmalloc - allocate memory
* @size: how many bytes of memory are required.
diff --git a/mm/slab_common.c b/mm/slab_common.c
index c4d63f2c78b8..308cd5449285 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -925,10 +925,11 @@ gfp_t kmalloc_fix_flags(gfp_t flags)
* directly to the page allocator. We use __GFP_COMP, because we will need to
* know the allocation order to free the pages properly in kfree.
*/
-void *kmalloc_order(size_t size, gfp_t flags, unsigned int order)
+void *kmalloc_large(size_t size, gfp_t flags)
{
void *ret = NULL;
struct page *page;
+ unsigned int order = get_order(size);
if (unlikely(flags & GFP_SLAB_BUG_MASK))
flags = kmalloc_fix_flags(flags);
@@ -943,19 +944,10 @@ void *kmalloc_order(size_t size, gfp_t flags, unsigned int order)
ret = kasan_kmalloc_large(ret, size, flags);
/* As ret might get tagged, call kmemleak hook after KASAN. */
kmemleak_alloc(ret, size, 1, flags);
- return ret;
-}
-EXPORT_SYMBOL(kmalloc_order);
-
-#ifdef CONFIG_TRACING
-void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order)
-{
- void *ret = kmalloc_order(size, flags, order);
trace_kmalloc(_RET_IP_, ret, size, PAGE_SIZE << order, flags);
return ret;
}
-EXPORT_SYMBOL(kmalloc_order_trace);
-#endif
+EXPORT_SYMBOL(kmalloc_large);
#ifdef CONFIG_SLAB_FREELIST_RANDOM
/* Randomize a generic freelist */
--
2.32.0
next prev parent reply other threads:[~2022-04-14 8:58 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-14 8:57 [PATCH v2 00/23] common kmalloc for SLUB and SLAB v2 Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 01/23] mm/slab: move NUMA-related code to __do_cache_alloc() Hyeonggon Yoo
2022-04-22 18:04 ` Vlastimil Babka
2022-04-14 8:57 ` [PATCH v2 02/23] mm/slab: cleanup slab_alloc() and slab_alloc_node() Hyeonggon Yoo
2022-04-25 14:05 ` Vlastimil Babka
2022-04-14 8:57 ` [PATCH v2 03/23] mm/slab_common: remove CONFIG_NUMA ifdefs for common kmalloc functions Hyeonggon Yoo
2022-04-25 14:41 ` Vlastimil Babka
2022-04-14 8:57 ` [PATCH v2 04/23] mm/slab_common: cleanup kmalloc_track_caller() Hyeonggon Yoo
2022-04-25 15:05 ` Vlastimil Babka
2022-04-26 15:49 ` Vlastimil Babka
2022-04-30 11:44 ` Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 05/23] mm/slab_common: cleanup __kmalloc() Hyeonggon Yoo
2022-04-26 16:02 ` Vlastimil Babka
2022-04-14 8:57 ` Hyeonggon Yoo [this message]
2022-04-26 16:09 ` [PATCH v2 06/23] mm/sl[auo]b: fold kmalloc_order_trace() into kmalloc_large() Vlastimil Babka
2022-04-14 8:57 ` [PATCH v2 07/23] mm/slub: move kmalloc_large_node() to slab_common.c Hyeonggon Yoo
2022-04-26 16:13 ` Vlastimil Babka
2022-04-14 8:57 ` [PATCH v2 08/23] mm/slab_common: make kmalloc_large_node() consistent with kmalloc_large() Hyeonggon Yoo
2022-04-26 17:15 ` Vlastimil Babka
2022-04-28 6:35 ` Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 09/23] mm/slab_common: cleanup kmalloc_large() Hyeonggon Yoo
2022-04-26 17:18 ` Vlastimil Babka
2022-04-14 8:57 ` [PATCH v2 10/23] mm/slab_common: cleanup kmem_cache_alloc{,node,lru} Hyeonggon Yoo
2022-04-26 18:01 ` Vlastimil Babka
2022-04-30 11:48 ` Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 11/23] mm/slab_common: kmalloc_node: pass large requests to page allocator Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 12/23] mm/slab_common: cleanup kmalloc() Hyeonggon Yoo
2022-04-26 18:00 ` Joe Perches
2022-04-28 11:30 ` Hyeonggon Yoo
2022-04-27 7:50 ` Vlastimil Babka
2022-04-14 8:57 ` [PATCH v2 13/23] mm/slab: kmalloc: pass requests larger than order-1 page to page allocator Hyeonggon Yoo
2022-04-27 8:10 ` Vlastimil Babka
2022-04-30 11:50 ` Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 14/23] mm/slab_common: print cache name in tracepoints Hyeonggon Yoo
2022-04-29 14:05 ` Vlastimil Babka
2022-04-30 14:06 ` Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 15/23] mm/slab_common: use same tracepoint in kmalloc and normal caches Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 16/23] mm/slab_common: rename tracepoint Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 17/23] mm/slab_common: implement __kmem_cache_free() Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 18/23] mm/sl[au]b: generalize kmalloc subsystem Hyeonggon Yoo
2022-04-29 14:30 ` Vlastimil Babka
2022-04-14 8:57 ` [PATCH v2 19/23] mm/slab_common: add kasan_kmalloc() in __kmalloc_node_track_caller() Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 20/23] mm/slab_common: factor out __do_kmalloc_node() Hyeonggon Yoo
2022-04-14 11:45 ` Hyeonggon Yoo
2022-04-29 14:48 ` Vlastimil Babka
2022-04-14 8:57 ` [PATCH v2 21/23] mm/sl[au]b: remove kmem_cache_alloc_node_trace() Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 22/23] mm/sl[auo]b: move definition of __ksize() to mm/slab.h Hyeonggon Yoo
2022-04-14 8:57 ` [PATCH v2 23/23] mm/sl[au]b: check if large object is valid in __ksize() Hyeonggon Yoo
2022-04-14 9:58 ` Christoph Lameter
2022-04-14 11:46 ` Hyeonggon Yoo
2022-04-14 12:36 ` [PATCH v2 00/23] common kmalloc for SLUB and SLAB v2 Hyeonggon Yoo
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