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Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (413 commits)
  tracing, net: fix net tree and tracing tree merge interaction
  tracing, powerpc: fix powerpc tree and tracing tree interaction
  ring-buffer: do not remove reader page from list on ring buffer free
  function-graph: allow unregistering twice
  trace: make argument 'mem' of trace_seq_putmem() const
  tracing: add missing 'extern' keywords to trace_output.h
  tracing: provide trace_seq_reserve()
  blktrace: print out BLK_TN_MESSAGE properly
  blktrace: extract duplidate code
  blktrace: fix memory leak when freeing struct blk_io_trace
  blktrace: fix blk_probes_ref chaos
  blktrace: make classic output more classic
  blktrace: fix off-by-one bug
  blktrace: fix the original blktrace
  blktrace: fix a race when creating blk_tree_root in debugfs
  blktrace: fix timestamp in binary output
  tracing, Text Edit Lock: cleanup
  tracing: filter fix for TRACE_EVENT_FORMAT events
  ftrace: Using FTRACE_WARN_ON() to check "freed record" in ftrace_release()
  x86: kretprobe-booster interrupt emulation code fix
  ...

Fix up trivial conflicts in
 arch/parisc/include/asm/ftrace.h
 include/linux/memory.h
 kernel/extable.c
 kernel/module.c
This commit is contained in:
Linus Torvalds
2009-04-05 11:04:19 -07:00
parent 8901e7ffc2 645dae969c
commit 714f83d5d9
145 changed files with 13836 additions and 3480 deletions
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71
mm/slab.c
View File

@ -102,6 +102,7 @@
#include <linux/cpu.h>
#include <linux/sysctl.h>
#include <linux/module.h>
#include <trace/kmemtrace.h>
#include <linux/rcupdate.h>
#include <linux/string.h>
#include <linux/uaccess.h>
@ -568,6 +569,14 @@ static void **dbg_userword(struct kmem_cache *cachep, void *objp)
#endif
#ifdef CONFIG_KMEMTRACE
size_t slab_buffer_size(struct kmem_cache *cachep)
{
return cachep->buffer_size;
}
EXPORT_SYMBOL(slab_buffer_size);
#endif
/*
* Do not go above this order unless 0 objects fit into the slab.
*/
@ -3554,10 +3563,23 @@ static inline void __cache_free(struct kmem_cache *cachep, void *objp)
*/
void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags)
{
return __cache_alloc(cachep, flags, __builtin_return_address(0));
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);
return ret;
}
EXPORT_SYMBOL(kmem_cache_alloc);
#ifdef CONFIG_KMEMTRACE
void *kmem_cache_alloc_notrace(struct kmem_cache *cachep, gfp_t flags)
{
return __cache_alloc(cachep, flags, __builtin_return_address(0));
}
EXPORT_SYMBOL(kmem_cache_alloc_notrace);
#endif
/**
* kmem_ptr_validate - check if an untrusted pointer might be a slab entry.
* @cachep: the cache we're checking against
@ -3602,23 +3624,47 @@ out:
#ifdef CONFIG_NUMA
void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid)
{
return __cache_alloc_node(cachep, flags, nodeid,
__builtin_return_address(0));
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);
return ret;
}
EXPORT_SYMBOL(kmem_cache_alloc_node);
#ifdef CONFIG_KMEMTRACE
void *kmem_cache_alloc_node_notrace(struct kmem_cache *cachep,
gfp_t flags,
int nodeid)
{
return __cache_alloc_node(cachep, flags, nodeid,
__builtin_return_address(0));
}
EXPORT_SYMBOL(kmem_cache_alloc_node_notrace);
#endif
static __always_inline void *
__do_kmalloc_node(size_t size, gfp_t flags, int node, void *caller)
{
struct kmem_cache *cachep;
void *ret;
cachep = kmem_find_general_cachep(size, flags);
if (unlikely(ZERO_OR_NULL_PTR(cachep)))
return cachep;
return kmem_cache_alloc_node(cachep, flags, node);
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);
return ret;
}
#ifdef CONFIG_DEBUG_SLAB
#if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_KMEMTRACE)
void *__kmalloc_node(size_t size, gfp_t flags, int node)
{
return __do_kmalloc_node(size, flags, node,
@ -3651,6 +3697,7 @@ static __always_inline void *__do_kmalloc(size_t size, gfp_t flags,
void *caller)
{
struct kmem_cache *cachep;
void *ret;
/* If you want to save a few bytes .text space: replace
* __ with kmem_.
@ -3660,11 +3707,17 @@ static __always_inline void *__do_kmalloc(size_t size, gfp_t flags,
cachep = __find_general_cachep(size, flags);
if (unlikely(ZERO_OR_NULL_PTR(cachep)))
return cachep;
return __cache_alloc(cachep, flags, caller);
ret = __cache_alloc(cachep, flags, caller);
kmemtrace_mark_alloc(KMEMTRACE_TYPE_KMALLOC,
(unsigned long) caller, ret,
size, cachep->buffer_size, flags);
return ret;
}
#ifdef CONFIG_DEBUG_SLAB
#if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_KMEMTRACE)
void *__kmalloc(size_t size, gfp_t flags)
{
return __do_kmalloc(size, flags, __builtin_return_address(0));
@ -3703,6 +3756,8 @@ void kmem_cache_free(struct kmem_cache *cachep, void *objp)
debug_check_no_obj_freed(objp, obj_size(cachep));
__cache_free(cachep, objp);
local_irq_restore(flags);
kmemtrace_mark_free(KMEMTRACE_TYPE_CACHE, _RET_IP_, objp);
}
EXPORT_SYMBOL(kmem_cache_free);
@ -3729,6 +3784,8 @@ 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);