From: Suren Baghdasaryan <surenb@google.com>
To: akpm@linux-foundation.org
Cc: kent.overstreet@linux.dev, mhocko@suse.com, vbabka@suse.cz,
hannes@cmpxchg.org, roman.gushchin@linux.dev, mgorman@suse.de,
dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com,
penguin-kernel@i-love.sakura.ne.jp, corbet@lwn.net,
void@manifault.com, peterz@infradead.org, juri.lelli@redhat.com,
catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de,
tglx@linutronix.de, mingo@redhat.com,
dave.hansen@linux.intel.com, x86@kernel.org, peterx@redhat.com,
david@redhat.com, axboe@kernel.dk, mcgrof@kernel.org,
masahiroy@kernel.org, nathan@kernel.org, dennis@kernel.org,
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Subject: [PATCH v6 26/37] mempool: Hook up to memory allocation profiling
Date: Thu, 21 Mar 2024 09:36:48 -0700 [thread overview]
Message-ID: <20240321163705.3067592-27-surenb@google.com> (raw)
In-Reply-To: <20240321163705.3067592-1-surenb@google.com>
From: Kent Overstreet <kent.overstreet@linux.dev>
This adds hooks to mempools for correctly annotating mempool-backed
allocations at the correct source line, so they show up correctly in
/sys/kernel/debug/allocations.
Various inline functions are converted to wrappers so that we can invoke
alloc_hooks() in fewer places.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
---
include/linux/mempool.h | 73 ++++++++++++++++++++---------------------
mm/mempool.c | 36 ++++++++------------
2 files changed, 49 insertions(+), 60 deletions(-)
diff --git a/include/linux/mempool.h b/include/linux/mempool.h
index 16c5cc807ff6..7b151441341b 100644
--- a/include/linux/mempool.h
+++ b/include/linux/mempool.h
@@ -5,6 +5,8 @@
#ifndef _LINUX_MEMPOOL_H
#define _LINUX_MEMPOOL_H
+#include <linux/sched.h>
+#include <linux/alloc_tag.h>
#include <linux/wait.h>
#include <linux/compiler.h>
@@ -39,18 +41,32 @@ void mempool_exit(mempool_t *pool);
int mempool_init_node(mempool_t *pool, int min_nr, mempool_alloc_t *alloc_fn,
mempool_free_t *free_fn, void *pool_data,
gfp_t gfp_mask, int node_id);
-int mempool_init(mempool_t *pool, int min_nr, mempool_alloc_t *alloc_fn,
+
+int mempool_init_noprof(mempool_t *pool, int min_nr, mempool_alloc_t *alloc_fn,
mempool_free_t *free_fn, void *pool_data);
+#define mempool_init(...) \
+ alloc_hooks(mempool_init_noprof(__VA_ARGS__))
extern mempool_t *mempool_create(int min_nr, mempool_alloc_t *alloc_fn,
mempool_free_t *free_fn, void *pool_data);
-extern mempool_t *mempool_create_node(int min_nr, mempool_alloc_t *alloc_fn,
+
+extern mempool_t *mempool_create_node_noprof(int min_nr, mempool_alloc_t *alloc_fn,
mempool_free_t *free_fn, void *pool_data,
gfp_t gfp_mask, int nid);
+#define mempool_create_node(...) \
+ alloc_hooks(mempool_create_node_noprof(__VA_ARGS__))
+
+#define mempool_create(_min_nr, _alloc_fn, _free_fn, _pool_data) \
+ mempool_create_node(_min_nr, _alloc_fn, _free_fn, _pool_data, \
+ GFP_KERNEL, NUMA_NO_NODE)
extern int mempool_resize(mempool_t *pool, int new_min_nr);
extern void mempool_destroy(mempool_t *pool);
-extern void *mempool_alloc(mempool_t *pool, gfp_t gfp_mask) __malloc;
+
+extern void *mempool_alloc_noprof(mempool_t *pool, gfp_t gfp_mask) __malloc;
+#define mempool_alloc(...) \
+ alloc_hooks(mempool_alloc_noprof(__VA_ARGS__))
+
extern void *mempool_alloc_preallocated(mempool_t *pool) __malloc;
extern void mempool_free(void *element, mempool_t *pool);
@@ -62,19 +78,10 @@ extern void mempool_free(void *element, mempool_t *pool);
void *mempool_alloc_slab(gfp_t gfp_mask, void *pool_data);
void mempool_free_slab(void *element, void *pool_data);
-static inline int
-mempool_init_slab_pool(mempool_t *pool, int min_nr, struct kmem_cache *kc)
-{
- return mempool_init(pool, min_nr, mempool_alloc_slab,
- mempool_free_slab, (void *) kc);
-}
-
-static inline mempool_t *
-mempool_create_slab_pool(int min_nr, struct kmem_cache *kc)
-{
- return mempool_create(min_nr, mempool_alloc_slab, mempool_free_slab,
- (void *) kc);
-}
+#define mempool_init_slab_pool(_pool, _min_nr, _kc) \
+ mempool_init(_pool, (_min_nr), mempool_alloc_slab, mempool_free_slab, (void *)(_kc))
+#define mempool_create_slab_pool(_min_nr, _kc) \
+ mempool_create((_min_nr), mempool_alloc_slab, mempool_free_slab, (void *)(_kc))
/*
* a mempool_alloc_t and a mempool_free_t to kmalloc and kfree the
@@ -83,17 +90,12 @@ mempool_create_slab_pool(int min_nr, struct kmem_cache *kc)
void *mempool_kmalloc(gfp_t gfp_mask, void *pool_data);
void mempool_kfree(void *element, void *pool_data);
-static inline int mempool_init_kmalloc_pool(mempool_t *pool, int min_nr, size_t size)
-{
- return mempool_init(pool, min_nr, mempool_kmalloc,
- mempool_kfree, (void *) size);
-}
-
-static inline mempool_t *mempool_create_kmalloc_pool(int min_nr, size_t size)
-{
- return mempool_create(min_nr, mempool_kmalloc, mempool_kfree,
- (void *) size);
-}
+#define mempool_init_kmalloc_pool(_pool, _min_nr, _size) \
+ mempool_init(_pool, (_min_nr), mempool_kmalloc, mempool_kfree, \
+ (void *)(unsigned long)(_size))
+#define mempool_create_kmalloc_pool(_min_nr, _size) \
+ mempool_create((_min_nr), mempool_kmalloc, mempool_kfree, \
+ (void *)(unsigned long)(_size))
void *mempool_kvmalloc(gfp_t gfp_mask, void *pool_data);
void mempool_kvfree(void *element, void *pool_data);
@@ -115,16 +117,11 @@ static inline mempool_t *mempool_create_kvmalloc_pool(int min_nr, size_t size)
void *mempool_alloc_pages(gfp_t gfp_mask, void *pool_data);
void mempool_free_pages(void *element, void *pool_data);
-static inline int mempool_init_page_pool(mempool_t *pool, int min_nr, int order)
-{
- return mempool_init(pool, min_nr, mempool_alloc_pages,
- mempool_free_pages, (void *)(long)order);
-}
-
-static inline mempool_t *mempool_create_page_pool(int min_nr, int order)
-{
- return mempool_create(min_nr, mempool_alloc_pages, mempool_free_pages,
- (void *)(long)order);
-}
+#define mempool_init_page_pool(_pool, _min_nr, _order) \
+ mempool_init(_pool, (_min_nr), mempool_alloc_pages, \
+ mempool_free_pages, (void *)(long)(_order))
+#define mempool_create_page_pool(_min_nr, _order) \
+ mempool_create((_min_nr), mempool_alloc_pages, \
+ mempool_free_pages, (void *)(long)(_order))
#endif /* _LINUX_MEMPOOL_H */
diff --git a/mm/mempool.c b/mm/mempool.c
index 076c736f5f1f..602e6eba68d3 100644
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -240,17 +240,17 @@ EXPORT_SYMBOL(mempool_init_node);
*
* Return: %0 on success, negative error code otherwise.
*/
-int mempool_init(mempool_t *pool, int min_nr, mempool_alloc_t *alloc_fn,
- mempool_free_t *free_fn, void *pool_data)
+int mempool_init_noprof(mempool_t *pool, int min_nr, mempool_alloc_t *alloc_fn,
+ mempool_free_t *free_fn, void *pool_data)
{
return mempool_init_node(pool, min_nr, alloc_fn, free_fn,
pool_data, GFP_KERNEL, NUMA_NO_NODE);
}
-EXPORT_SYMBOL(mempool_init);
+EXPORT_SYMBOL(mempool_init_noprof);
/**
- * mempool_create - create a memory pool
+ * mempool_create_node - create a memory pool
* @min_nr: the minimum number of elements guaranteed to be
* allocated for this pool.
* @alloc_fn: user-defined element-allocation function.
@@ -265,17 +265,9 @@ EXPORT_SYMBOL(mempool_init);
*
* Return: pointer to the created memory pool object or %NULL on error.
*/
-mempool_t *mempool_create(int min_nr, mempool_alloc_t *alloc_fn,
- mempool_free_t *free_fn, void *pool_data)
-{
- return mempool_create_node(min_nr, alloc_fn, free_fn, pool_data,
- GFP_KERNEL, NUMA_NO_NODE);
-}
-EXPORT_SYMBOL(mempool_create);
-
-mempool_t *mempool_create_node(int min_nr, mempool_alloc_t *alloc_fn,
- mempool_free_t *free_fn, void *pool_data,
- gfp_t gfp_mask, int node_id)
+mempool_t *mempool_create_node_noprof(int min_nr, mempool_alloc_t *alloc_fn,
+ mempool_free_t *free_fn, void *pool_data,
+ gfp_t gfp_mask, int node_id)
{
mempool_t *pool;
@@ -291,7 +283,7 @@ mempool_t *mempool_create_node(int min_nr, mempool_alloc_t *alloc_fn,
return pool;
}
-EXPORT_SYMBOL(mempool_create_node);
+EXPORT_SYMBOL(mempool_create_node_noprof);
/**
* mempool_resize - resize an existing memory pool
@@ -374,7 +366,7 @@ int mempool_resize(mempool_t *pool, int new_min_nr)
EXPORT_SYMBOL(mempool_resize);
/**
- * mempool_alloc - allocate an element from a specific memory pool
+ * mempool_alloc_noprof - allocate an element from a specific memory pool
* @pool: pointer to the memory pool which was allocated via
* mempool_create().
* @gfp_mask: the usual allocation bitmask.
@@ -387,7 +379,7 @@ EXPORT_SYMBOL(mempool_resize);
*
* Return: pointer to the allocated element or %NULL on error.
*/
-void *mempool_alloc(mempool_t *pool, gfp_t gfp_mask)
+void *mempool_alloc_noprof(mempool_t *pool, gfp_t gfp_mask)
{
void *element;
unsigned long flags;
@@ -454,7 +446,7 @@ void *mempool_alloc(mempool_t *pool, gfp_t gfp_mask)
finish_wait(&pool->wait, &wait);
goto repeat_alloc;
}
-EXPORT_SYMBOL(mempool_alloc);
+EXPORT_SYMBOL(mempool_alloc_noprof);
/**
* mempool_alloc_preallocated - allocate an element from preallocated elements
@@ -562,7 +554,7 @@ void *mempool_alloc_slab(gfp_t gfp_mask, void *pool_data)
{
struct kmem_cache *mem = pool_data;
VM_BUG_ON(mem->ctor);
- return kmem_cache_alloc(mem, gfp_mask);
+ return kmem_cache_alloc_noprof(mem, gfp_mask);
}
EXPORT_SYMBOL(mempool_alloc_slab);
@@ -580,7 +572,7 @@ EXPORT_SYMBOL(mempool_free_slab);
void *mempool_kmalloc(gfp_t gfp_mask, void *pool_data)
{
size_t size = (size_t)pool_data;
- return kmalloc(size, gfp_mask);
+ return kmalloc_noprof(size, gfp_mask);
}
EXPORT_SYMBOL(mempool_kmalloc);
@@ -610,7 +602,7 @@ EXPORT_SYMBOL(mempool_kvfree);
void *mempool_alloc_pages(gfp_t gfp_mask, void *pool_data)
{
int order = (int)(long)pool_data;
- return alloc_pages(gfp_mask, order);
+ return alloc_pages_noprof(gfp_mask, order);
}
EXPORT_SYMBOL(mempool_alloc_pages);
--
2.44.0.291.gc1ea87d7ee-goog
next prev parent reply other threads:[~2024-03-21 16:38 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-21 16:36 [PATCH v6 00/37] Memory allocation profiling Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 01/37] fix missing vmalloc.h includes Suren Baghdasaryan
2024-04-03 21:12 ` Nathan Chancellor
2024-04-03 21:41 ` Kent Overstreet
2024-04-03 21:48 ` David Hildenbrand
2024-04-03 22:57 ` Kent Overstreet
2024-04-04 2:55 ` Randy Dunlap
2024-03-21 16:36 ` [PATCH v6 02/37] asm-generic/io.h: Kill vmalloc.h dependency Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 03/37] mm/slub: Mark slab_free_freelist_hook() __always_inline Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 04/37] scripts/kallysms: Always include __start and __stop symbols Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 05/37] fs: Convert alloc_inode_sb() to a macro Suren Baghdasaryan
2024-03-21 20:31 ` Andrew Morton
2024-03-21 21:13 ` Suren Baghdasaryan
2024-03-21 21:15 ` Kent Overstreet
2024-03-21 22:09 ` Andrew Morton
2024-03-21 22:17 ` Kent Overstreet
2024-03-21 22:47 ` Suren Baghdasaryan
2024-04-04 16:57 ` Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 06/37] mm: introduce slabobj_ext to support slab object extensions Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 07/37] mm: introduce __GFP_NO_OBJ_EXT flag to selectively prevent slabobj_ext creation Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 08/37] mm/slab: introduce SLAB_NO_OBJ_EXT to avoid obj_ext creation Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 09/37] slab: objext: introduce objext_flags as extension to page_memcg_data_flags Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 10/37] lib: code tagging framework Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 11/37] lib: code tagging module support Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 12/37] lib: prevent module unloading if memory is not freed Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 13/37] lib: add allocation tagging support for memory allocation profiling Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 14/37] lib: introduce support for page allocation tagging Suren Baghdasaryan
2024-03-26 3:12 ` Matthew Wilcox
2024-03-26 6:23 ` Suren Baghdasaryan
2024-03-27 3:24 ` Matthew Wilcox
2024-03-27 5:30 ` Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 15/37] lib: introduce early boot parameter to avoid page_ext memory overhead Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 16/37] mm: percpu: increase PERCPU_MODULE_RESERVE to accommodate allocation tags Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 17/37] change alloc_pages name in dma_map_ops to avoid name conflicts Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 18/37] mm: enable page allocation tagging Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 19/37] mm: create new codetag references during page splitting Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 20/37] mm: fix non-compound multi-order memory accounting in __free_pages Suren Baghdasaryan
2024-03-21 16:48 ` Matthew Wilcox
2024-03-21 17:04 ` Matthew Wilcox
2024-03-21 17:19 ` Suren Baghdasaryan
2024-03-21 17:22 ` Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 21/37] mm/page_ext: enable early_page_ext when CONFIG_MEM_ALLOC_PROFILING_DEBUG=y Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 22/37] lib: add codetag reference into slabobj_ext Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 23/37] mm/slab: add allocation accounting into slab allocation and free paths Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 24/37] rust: Add a rust helper for krealloc() Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 25/37] mm/slab: enable slab allocation tagging for kmalloc and friends Suren Baghdasaryan
2024-03-21 16:36 ` Suren Baghdasaryan [this message]
2024-03-21 16:36 ` [PATCH v6 27/37] mm: percpu: Introduce pcpuobj_ext Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 28/37] mm: percpu: Add codetag reference into pcpuobj_ext Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 29/37] mm: percpu: enable per-cpu allocation tagging Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 30/37] mm: vmalloc: Enable memory allocation profiling Suren Baghdasaryan
2024-03-23 18:05 ` SeongJae Park
2024-03-25 14:56 ` Suren Baghdasaryan
2024-03-25 17:49 ` SeongJae Park
2024-03-25 17:59 ` Suren Baghdasaryan
2024-03-25 18:20 ` SeongJae Park
2024-03-26 7:51 ` Suren Baghdasaryan
2024-03-26 15:39 ` SeongJae Park
2024-04-16 19:27 ` Sourav Panda
2024-03-21 16:36 ` [PATCH v6 31/37] rhashtable: Plumb through alloc tag Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 32/37] lib: add memory allocations report in show_mem() Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 33/37] codetag: debug: skip objext checking when it's for objext itself Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 34/37] codetag: debug: mark codetags for reserved pages as empty Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 35/37] codetag: debug: introduce OBJEXTS_ALLOC_FAIL to mark failed slab_ext allocations Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 36/37] MAINTAINERS: Add entries for code tagging and memory allocation profiling Suren Baghdasaryan
2024-03-21 16:36 ` [PATCH v6 37/37] memprofiling: Documentation Suren Baghdasaryan
2024-03-21 20:41 ` [PATCH v6 00/37] Memory allocation profiling Andrew Morton
2024-03-21 21:08 ` Suren Baghdasaryan
2024-04-05 13:37 ` Klara Modin
2024-04-05 14:14 ` Suren Baghdasaryan
2024-04-05 14:30 ` Klara Modin
2024-04-05 15:20 ` Suren Baghdasaryan
2024-04-05 15:37 ` Klara Modin
2024-04-06 21:42 ` Suren Baghdasaryan
2024-04-25 1:59 ` Kees Cook
2024-04-25 3:25 ` Kent Overstreet
2024-04-25 15:39 ` Suren Baghdasaryan
2024-04-25 20:00 ` Kees Cook
2024-04-25 21:35 ` Suren Baghdasaryan
2024-04-25 20:08 ` Kees Cook
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