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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-06 22:30:00 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-06 22:30:00 +0200
commit12fe32e4f942ac5c71a4ab70b039fee65c0dc29d (patch)
treeb0878e49e9fab1fd154fde1dd57057391831b668 /mm/util.c
parentMerge branch 'for-2.6.30' of git://linux-nfs.org/~bfields/linux (diff)
parentkmemtrace: trace kfree() calls with NULL or zero-length objects (diff)
downloadlinux-12fe32e4f942ac5c71a4ab70b039fee65c0dc29d.tar.xz
linux-12fe32e4f942ac5c71a4ab70b039fee65c0dc29d.zip
Merge branch 'kmemtrace-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'kmemtrace-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: kmemtrace: trace kfree() calls with NULL or zero-length objects kmemtrace: small cleanups kmemtrace: restore original tracing data binary format, improve ABI kmemtrace: kmemtrace_alloc() must fill type_id kmemtrace: use tracepoints kmemtrace, rcu: don't include unnecessary headers, allow kmemtrace w/ tracepoints kmemtrace, rcu: fix rcupreempt.c data structure dependencies kmemtrace, rcu: fix rcu_tree_trace.c data structure dependencies kmemtrace, rcu: fix linux/rcutree.h and linux/rcuclassic.h dependencies kmemtrace, mm: fix slab.h dependency problem in mm/failslab.c kmemtrace, kbuild: fix slab.h dependency problem in lib/decompress_unlzma.c kmemtrace, kbuild: fix slab.h dependency problem in lib/decompress_bunzip2.c kmemtrace, kbuild: fix slab.h dependency problem in lib/decompress_inflate.c kmemtrace, squashfs: fix slab.h dependency problem in squasfs kmemtrace, befs: fix slab.h dependency problem kmemtrace, security: fix linux/key.h header file dependencies kmemtrace, fs: fix linux/fdtable.h header file dependencies kmemtrace, fs: uninline simple_transaction_set() kmemtrace, fs, security: move alloc_secdata() and free_secdata() to linux/security.h
Diffstat (limited to 'mm/util.c')
-rw-r--r--mm/util.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/mm/util.c b/mm/util.c
index 7c122e49f769..2599e83eea17 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);