From: Davidlohr Bueso <dave@gnu.org>
To: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>, Paul Mackerras <paulus@samba.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] perf: add GCC optimization to memory allocating functions
Date: Fri, 26 Nov 2010 10:24:24 -0300 [thread overview]
Message-ID: <1290777864.2373.2.camel@cowboy> (raw)
From: Davidlohr Bueso <dave@gnu.org>
We can benefit from the alloc_size attribute in xrealloc and zalloc.
Signed-off-by: Davidlohr Bueso <dave@gnu.org>
---
tools/perf/util/util.h | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 7562707..41a5067 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -182,10 +182,11 @@ static inline char *gitstrchrnul(const char *s, int c)
* Wrappers:
*/
extern char *xstrdup(const char *str);
-extern void *xrealloc(void *ptr, size_t size) __attribute__((weak));
+extern void *xrealloc(void *ptr, size_t size) __attribute__((weak, alloc_size(2)));
-static inline void *zalloc(size_t size)
+static inline __attribute__((alloc_size(1)))
+void *zalloc(size_t size)
{
return calloc(1, size);
}
--
1.7.1
next reply other threads:[~2010-11-26 13:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-26 13:24 Davidlohr Bueso [this message]
2010-11-26 13:27 ` [PATCH] perf: add GCC optimization to memory allocating functions Peter Zijlstra
2010-11-26 13:36 ` Davidlohr Bueso
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