diff options
-rw-r--r-- | include/linux/slob_def.h | 9 | ||||
-rw-r--r-- | mm/slob.c | 37 |
2 files changed, 36 insertions, 10 deletions
diff --git a/include/linux/slob_def.h b/include/linux/slob_def.h index 59a3fa476ab9..0ec00b39d006 100644 --- a/include/linux/slob_def.h +++ b/include/linux/slob_def.h | |||
@@ -3,14 +3,15 @@ | |||
3 | 3 | ||
4 | void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); | 4 | void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); |
5 | 5 | ||
6 | static inline void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags) | 6 | static __always_inline void *kmem_cache_alloc(struct kmem_cache *cachep, |
7 | gfp_t flags) | ||
7 | { | 8 | { |
8 | return kmem_cache_alloc_node(cachep, flags, -1); | 9 | return kmem_cache_alloc_node(cachep, flags, -1); |
9 | } | 10 | } |
10 | 11 | ||
11 | void *__kmalloc_node(size_t size, gfp_t flags, int node); | 12 | void *__kmalloc_node(size_t size, gfp_t flags, int node); |
12 | 13 | ||
13 | static inline void *kmalloc_node(size_t size, gfp_t flags, int node) | 14 | static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node) |
14 | { | 15 | { |
15 | return __kmalloc_node(size, flags, node); | 16 | return __kmalloc_node(size, flags, node); |
16 | } | 17 | } |
@@ -23,12 +24,12 @@ static inline void *kmalloc_node(size_t size, gfp_t flags, int node) | |||
23 | * kmalloc is the normal method of allocating memory | 24 | * kmalloc is the normal method of allocating memory |
24 | * in the kernel. | 25 | * in the kernel. |
25 | */ | 26 | */ |
26 | static inline void *kmalloc(size_t size, gfp_t flags) | 27 | static __always_inline void *kmalloc(size_t size, gfp_t flags) |
27 | { | 28 | { |
28 | return __kmalloc_node(size, flags, -1); | 29 | return __kmalloc_node(size, flags, -1); |
29 | } | 30 | } |
30 | 31 | ||
31 | static inline void *__kmalloc(size_t size, gfp_t flags) | 32 | static __always_inline void *__kmalloc(size_t size, gfp_t flags) |
32 | { | 33 | { |
33 | return kmalloc(size, flags); | 34 | return kmalloc(size, flags); |
34 | } | 35 | } |
@@ -65,6 +65,7 @@ | |||
65 | #include <linux/module.h> | 65 | #include <linux/module.h> |
66 | #include <linux/rcupdate.h> | 66 | #include <linux/rcupdate.h> |
67 | #include <linux/list.h> | 67 | #include <linux/list.h> |
68 | #include <linux/kmemtrace.h> | ||
68 | #include <asm/atomic.h> | 69 | #include <asm/atomic.h> |
69 | 70 | ||
70 | /* | 71 | /* |
@@ -463,27 +464,38 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node) | |||
463 | { | 464 | { |
464 | unsigned int *m; | 465 | unsigned int *m; |
465 | int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); | 466 | int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); |
467 | void *ret; | ||
466 | 468 | ||
467 | if (size < PAGE_SIZE - align) { | 469 | if (size < PAGE_SIZE - align) { |
468 | if (!size) | 470 | if (!size) |
469 | return ZERO_SIZE_PTR; | 471 | return ZERO_SIZE_PTR; |
470 | 472 | ||
471 | m = slob_alloc(size + align, gfp, align, node); | 473 | m = slob_alloc(size + align, gfp, align, node); |
474 | |||
472 | if (!m) | 475 | if (!m) |
473 | return NULL; | 476 | return NULL; |
474 | *m = size; | 477 | *m = size; |
475 | return (void *)m + align; | 478 | ret = (void *)m + align; |
479 | |||
480 | kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC, | ||
481 | _RET_IP_, ret, | ||
482 | size, size + align, gfp, node); | ||
476 | } else { | 483 | } else { |
477 | void *ret; | 484 | unsigned int order = get_order(size); |
478 | 485 | ||
479 | ret = slob_new_page(gfp | __GFP_COMP, get_order(size), node); | 486 | ret = slob_new_page(gfp | __GFP_COMP, order, node); |
480 | if (ret) { | 487 | if (ret) { |
481 | struct page *page; | 488 | struct page *page; |
482 | page = virt_to_page(ret); | 489 | page = virt_to_page(ret); |
483 | page->private = size; | 490 | page->private = size; |
484 | } | 491 | } |
485 | return ret; | 492 | |
493 | kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC, | ||
494 | _RET_IP_, ret, | ||
495 | size, PAGE_SIZE << order, gfp, node); | ||
486 | } | 496 | } |
497 | |||
498 | return ret; | ||
487 | } | 499 | } |
488 | EXPORT_SYMBOL(__kmalloc_node); | 500 | EXPORT_SYMBOL(__kmalloc_node); |
489 | 501 | ||
@@ -501,6 +513,8 @@ void kfree(const void *block) | |||
501 | slob_free(m, *m + align); | 513 | slob_free(m, *m + align); |
502 | } else | 514 | } else |
503 | put_page(&sp->page); | 515 | put_page(&sp->page); |
516 | |||
517 | kmemtrace_mark_free(KMEMTRACE_TYPE_KMALLOC, _RET_IP_, block); | ||
504 | } | 518 | } |
505 | EXPORT_SYMBOL(kfree); | 519 | EXPORT_SYMBOL(kfree); |
506 | 520 | ||
@@ -569,10 +583,19 @@ void *kmem_cache_alloc_node(struct kmem_cache *c, gfp_t flags, int node) | |||
569 | { | 583 | { |
570 | void *b; | 584 | void *b; |
571 | 585 | ||
572 | if (c->size < PAGE_SIZE) | 586 | if (c->size < PAGE_SIZE) { |
573 | b = slob_alloc(c->size, flags, c->align, node); | 587 | b = slob_alloc(c->size, flags, c->align, node); |
574 | else | 588 | kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_CACHE, |
589 | _RET_IP_, b, c->size, | ||
590 | SLOB_UNITS(c->size) * SLOB_UNIT, | ||
591 | flags, node); | ||
592 | } else { | ||
575 | b = slob_new_page(flags, get_order(c->size), node); | 593 | b = slob_new_page(flags, get_order(c->size), node); |
594 | kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_CACHE, | ||
595 | _RET_IP_, b, c->size, | ||
596 | PAGE_SIZE << get_order(c->size), | ||
597 | flags, node); | ||
598 | } | ||
576 | 599 | ||
577 | if (c->ctor) | 600 | if (c->ctor) |
578 | c->ctor(b); | 601 | c->ctor(b); |
@@ -608,6 +631,8 @@ void kmem_cache_free(struct kmem_cache *c, void *b) | |||
608 | } else { | 631 | } else { |
609 | __kmem_cache_free(b, c->size); | 632 | __kmem_cache_free(b, c->size); |
610 | } | 633 | } |
634 | |||
635 | kmemtrace_mark_free(KMEMTRACE_TYPE_CACHE, _RET_IP_, b); | ||
611 | } | 636 | } |
612 | EXPORT_SYMBOL(kmem_cache_free); | 637 | EXPORT_SYMBOL(kmem_cache_free); |
613 | 638 | ||