linux-kernel - Re: [PATCH 01/23] introduce drm_zalloc as a drm

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Date:	Mon, 27 Aug 2007 23:36:18 +0200
From:	Mariusz Kozlowski <m.kozlowski@...land.pl>
To:	airlied@...ux.ie
Cc:	akpm@...ux-foundation.org, dri-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/23] introduce drm_zalloc as a drm_alloc + memset replacement

> Add drm_zalloc().

Ugh. Too fast. Ofcourse this is the correct version. Sorry.

Signed-off-by: Mariusz Kozlowski <m.kozlowski@...land.pl>

--- linux-2.6.23-rc3-mm1-a/drivers/char/drm/drmP.h	2007-08-27 18:32:26.000000000 +0200
+++ linux-2.6.23-rc3-mm1-b/drivers/char/drm/drmP.h	2007-08-26 15:34:40.000000000 +0200
@@ -1125,10 +1125,17 @@ static __inline__ void *drm_calloc(size_
 {
 	return kcalloc(nmemb, size, GFP_KERNEL);
 }
+
+/** Wrapper around kzalloc() */
+static __inline__ void *drm_zalloc(size_t size, int area)
+{
+	return kzalloc(size, GFP_KERNEL);
+}
 #else
 extern void *drm_alloc(size_t size, int area);
 extern void drm_free(void *pt, size_t size, int area);
 extern void *drm_calloc(size_t nmemb, size_t size, int area);
+extern void *drm_zalloc(size_t size, int area);
 #endif

 /*@}*/
--- linux-2.6.23-rc3-mm1-a/drivers/char/drm/drm_memory_debug.h	2007-08-27 18:32:26.000000000 +0200
+++ linux-2.6.23-rc3-mm1-b/drivers/char/drm/drm_memory_debug.h	2007-08-27 23:28:31.000000000 +0200
@@ -167,13 +167,24 @@ void *drm_alloc (size_t size, int area)
 void *drm_calloc (size_t nmemb, size_t size, int area) {
 	void *addr;

-	addr = drm_alloc (nmemb * size, area);
-	if (addr != NULL)
-		memset((void *)addr, 0, size * nmemb);
+	addr = drm_alloc(nmemb * size, area);
+	if (addr)
+		memset(addr, 0, size * nmemb);

 	return addr;
 }

+void *drm_zalloc(size_t size, int area)
+{
+	void *addr;
+
+	addr = drm_alloc(size, area);
+	if (addr)
+		memset(addr, 0, size);
+
+	return addr;
+}
+
 void *drm_realloc (void *oldpt, size_t oldsize, size_t size, int area) {
 	void *pt;

-
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