summaryrefslogtreecommitdiffstats
path: root/mm
diff options
context:
space:
mode:
Diffstat (limited to 'mm')
-rw-r--r--mm/failslab.c1
-rw-r--r--mm/slab.c26
-rw-r--r--mm/slob.c30
-rw-r--r--mm/slub.c32
-rw-r--r--mm/util.c16
5 files changed, 55 insertions, 50 deletions
diff --git a/mm/failslab.c b/mm/failslab.c
index 7c6ea6493f8..9339de5f0a9 100644
--- a/mm/failslab.c
+++ b/mm/failslab.c
@@ -1,4 +1,5 @@
#include <linux/fault-inject.h>
+#include <linux/gfp.h>
static struct {
struct fault_attr attr;
diff --git a/mm/slab.c b/mm/slab.c
index 4fc1761c6dc..9a90b00d2f9 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3565,8 +3565,8 @@ void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags)
{
void *ret = __cache_alloc(cachep, flags, __builtin_return_address(0));
- kmemtrace_mark_alloc(KMEMTRACE_TYPE_CACHE, _RET_IP_, ret,
- obj_size(cachep), cachep->buffer_size, flags);
+ trace_kmem_cache_alloc(_RET_IP_, ret,
+ obj_size(cachep), cachep->buffer_size, flags);
return ret;
}
@@ -3627,9 +3627,9 @@ void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid)
void *ret = __cache_alloc_node(cachep, flags, nodeid,
__builtin_return_address(0));
- kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_CACHE, _RET_IP_, ret,
- obj_size(cachep), cachep->buffer_size,
- flags, nodeid);
+ trace_kmem_cache_alloc_node(_RET_IP_, ret,
+ obj_size(cachep), cachep->buffer_size,
+ flags, nodeid);
return ret;
}
@@ -3657,9 +3657,8 @@ __do_kmalloc_node(size_t size, gfp_t flags, int node, void *caller)
return cachep;
ret = kmem_cache_alloc_node_notrace(cachep, flags, node);
- kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC,
- (unsigned long) caller, ret,
- size, cachep->buffer_size, flags, node);
+ trace_kmalloc_node((unsigned long) caller, ret,
+ size, cachep->buffer_size, flags, node);
return ret;
}
@@ -3709,9 +3708,8 @@ static __always_inline void *__do_kmalloc(size_t size, gfp_t flags,
return cachep;
ret = __cache_alloc(cachep, flags, caller);
- kmemtrace_mark_alloc(KMEMTRACE_TYPE_KMALLOC,
- (unsigned long) caller, ret,
- size, cachep->buffer_size, flags);
+ trace_kmalloc((unsigned long) caller, ret,
+ size, cachep->buffer_size, flags);
return ret;
}
@@ -3757,7 +3755,7 @@ void kmem_cache_free(struct kmem_cache *cachep, void *objp)
__cache_free(cachep, objp);
local_irq_restore(flags);
- kmemtrace_mark_free(KMEMTRACE_TYPE_CACHE, _RET_IP_, objp);
+ trace_kmem_cache_free(_RET_IP_, objp);
}
EXPORT_SYMBOL(kmem_cache_free);
@@ -3775,6 +3773,8 @@ void kfree(const void *objp)
struct kmem_cache *c;
unsigned long flags;
+ trace_kfree(_RET_IP_, objp);
+
if (unlikely(ZERO_OR_NULL_PTR(objp)))
return;
local_irq_save(flags);
@@ -3784,8 +3784,6 @@ void kfree(const void *objp)
debug_check_no_obj_freed(objp, obj_size(c));
__cache_free(c, (void *)objp);
local_irq_restore(flags);
-
- kmemtrace_mark_free(KMEMTRACE_TYPE_KMALLOC, _RET_IP_, objp);
}
EXPORT_SYMBOL(kfree);
diff --git a/mm/slob.c b/mm/slob.c
index 4dd6516447f..a2d4ab32198 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -490,9 +490,8 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
*m = size;
ret = (void *)m + align;
- kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC,
- _RET_IP_, ret,
- size, size + align, gfp, node);
+ trace_kmalloc_node(_RET_IP_, ret,
+ size, size + align, gfp, node);
} else {
unsigned int order = get_order(size);
@@ -503,9 +502,8 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
page->private = size;
}
- kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC,
- _RET_IP_, ret,
- size, PAGE_SIZE << order, gfp, node);
+ trace_kmalloc_node(_RET_IP_, ret,
+ size, PAGE_SIZE << order, gfp, node);
}
return ret;
@@ -516,6 +514,8 @@ void kfree(const void *block)
{
struct slob_page *sp;
+ trace_kfree(_RET_IP_, block);
+
if (unlikely(ZERO_OR_NULL_PTR(block)))
return;
@@ -526,8 +526,6 @@ void kfree(const void *block)
slob_free(m, *m + align);
} else
put_page(&sp->page);
-
- kmemtrace_mark_free(KMEMTRACE_TYPE_KMALLOC, _RET_IP_, block);
}
EXPORT_SYMBOL(kfree);
@@ -599,16 +597,14 @@ void *kmem_cache_alloc_node(struct kmem_cache *c, gfp_t flags, int node)
if (c->size < PAGE_SIZE) {
b = slob_alloc(c->size, flags, c->align, node);
- kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_CACHE,
- _RET_IP_, b, c->size,
- SLOB_UNITS(c->size) * SLOB_UNIT,
- flags, node);
+ trace_kmem_cache_alloc_node(_RET_IP_, b, c->size,
+ SLOB_UNITS(c->size) * SLOB_UNIT,
+ flags, node);
} else {
b = slob_new_pages(flags, get_order(c->size), node);
- kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_CACHE,
- _RET_IP_, b, c->size,
- PAGE_SIZE << get_order(c->size),
- flags, node);
+ trace_kmem_cache_alloc_node(_RET_IP_, b, c->size,
+ PAGE_SIZE << get_order(c->size),
+ flags, node);
}
if (c->ctor)
@@ -646,7 +642,7 @@ void kmem_cache_free(struct kmem_cache *c, void *b)
__kmem_cache_free(b, c->size);
}
- kmemtrace_mark_free(KMEMTRACE_TYPE_CACHE, _RET_IP_, b);
+ trace_kmem_cache_free(_RET_IP_, b);
}
EXPORT_SYMBOL(kmem_cache_free);
diff --git a/mm/slub.c b/mm/slub.c
index 7aaa121d0ea..7ab54ecbd3f 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1621,8 +1621,7 @@ void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags)
{
void *ret = slab_alloc(s, gfpflags, -1, _RET_IP_);
- kmemtrace_mark_alloc(KMEMTRACE_TYPE_CACHE, _RET_IP_, ret,
- s->objsize, s->size, gfpflags);
+ trace_kmem_cache_alloc(_RET_IP_, ret, s->objsize, s->size, gfpflags);
return ret;
}
@@ -1641,8 +1640,8 @@ void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags, int node)
{
void *ret = slab_alloc(s, gfpflags, node, _RET_IP_);
- kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_CACHE, _RET_IP_, ret,
- s->objsize, s->size, gfpflags, node);
+ trace_kmem_cache_alloc_node(_RET_IP_, ret,
+ s->objsize, s->size, gfpflags, node);
return ret;
}
@@ -1767,7 +1766,7 @@ void kmem_cache_free(struct kmem_cache *s, void *x)
slab_free(s, page, x, _RET_IP_);
- kmemtrace_mark_free(KMEMTRACE_TYPE_CACHE, _RET_IP_, x);
+ trace_kmem_cache_free(_RET_IP_, x);
}
EXPORT_SYMBOL(kmem_cache_free);
@@ -2702,8 +2701,7 @@ void *__kmalloc(size_t size, gfp_t flags)
ret = slab_alloc(s, flags, -1, _RET_IP_);
- kmemtrace_mark_alloc(KMEMTRACE_TYPE_KMALLOC, _RET_IP_, ret,
- size, s->size, flags);
+ trace_kmalloc(_RET_IP_, ret, size, s->size, flags);
return ret;
}
@@ -2729,10 +2727,9 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
if (unlikely(size > SLUB_MAX_SIZE)) {
ret = kmalloc_large_node(size, flags, node);
- kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC,
- _RET_IP_, ret,
- size, PAGE_SIZE << get_order(size),
- flags, node);
+ trace_kmalloc_node(_RET_IP_, ret,
+ size, PAGE_SIZE << get_order(size),
+ flags, node);
return ret;
}
@@ -2744,8 +2741,7 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
ret = slab_alloc(s, flags, node, _RET_IP_);
- kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC, _RET_IP_, ret,
- size, s->size, flags, node);
+ trace_kmalloc_node(_RET_IP_, ret, size, s->size, flags, node);
return ret;
}
@@ -2796,6 +2792,8 @@ void kfree(const void *x)
struct page *page;
void *object = (void *)x;
+ trace_kfree(_RET_IP_, x);
+
if (unlikely(ZERO_OR_NULL_PTR(x)))
return;
@@ -2806,8 +2804,6 @@ void kfree(const void *x)
return;
}
slab_free(page->slab, page, object, _RET_IP_);
-
- kmemtrace_mark_free(KMEMTRACE_TYPE_KMALLOC, _RET_IP_, x);
}
EXPORT_SYMBOL(kfree);
@@ -3290,8 +3286,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, unsigned long caller)
ret = slab_alloc(s, gfpflags, -1, caller);
/* Honor the call site pointer we recieved. */
- kmemtrace_mark_alloc(KMEMTRACE_TYPE_KMALLOC, caller, ret, size,
- s->size, gfpflags);
+ trace_kmalloc(caller, ret, size, s->size, gfpflags);
return ret;
}
@@ -3313,8 +3308,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
ret = slab_alloc(s, gfpflags, node, caller);
/* Honor the call site pointer we recieved. */
- kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC, caller, ret,
- size, s->size, gfpflags, node);
+ trace_kmalloc_node(caller, ret, size, s->size, gfpflags, node);
return ret;
}
diff --git a/mm/util.c b/mm/util.c
index 7c122e49f76..2599e83eea1 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -4,6 +4,7 @@
#include <linux/module.h>
#include <linux/err.h>
#include <linux/sched.h>
+#include <linux/tracepoint.h>
#include <asm/uaccess.h>
/**
@@ -236,3 +237,18 @@ int __attribute__((weak)) get_user_pages_fast(unsigned long start,
return ret;
}
EXPORT_SYMBOL_GPL(get_user_pages_fast);
+
+/* Tracepoints definitions. */
+DEFINE_TRACE(kmalloc);
+DEFINE_TRACE(kmem_cache_alloc);
+DEFINE_TRACE(kmalloc_node);
+DEFINE_TRACE(kmem_cache_alloc_node);
+DEFINE_TRACE(kfree);
+DEFINE_TRACE(kmem_cache_free);
+
+EXPORT_TRACEPOINT_SYMBOL(kmalloc);
+EXPORT_TRACEPOINT_SYMBOL(kmem_cache_alloc);
+EXPORT_TRACEPOINT_SYMBOL(kmalloc_node);
+EXPORT_TRACEPOINT_SYMBOL(kmem_cache_alloc_node);
+EXPORT_TRACEPOINT_SYMBOL(kfree);
+EXPORT_TRACEPOINT_SYMBOL(kmem_cache_free);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-18 05:41:25 +0000