From 7809efc8c32520e6b25c143ee3276edbf534ed14 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@linux.ie>
Date: Mon, 30 Aug 2004 09:01:50 +0000
Subject: drm-memory patch, cleans up alloc/free and makes calloc look more
 libc like

---
 linux/drmP.h             | 22 ++++++++++++++++++++--
 linux/drm_irq.h          |  4 ++--
 linux/drm_memory.h       | 20 +++-----------------
 linux/drm_memory_debug.h |  2 +-
 linux/drm_os_linux.h     |  5 -----
 5 files changed, 26 insertions(+), 27 deletions(-)

(limited to 'linux')

diff --git a/linux/drmP.h b/linux/drmP.h
index f3dc57be..384390de 100644
--- a/linux/drmP.h
+++ b/linux/drmP.h
@@ -85,6 +85,8 @@
 
 #include "drm_os_linux.h"
 
+/* If you want the memory alloc debug functionality, change define below */
+/* #define DEBUG_MEMORY */
 
 /***********************************************************************/
 /** \name DRM template customization defaults */
@@ -726,11 +728,9 @@ extern ssize_t       DRM(read)(struct file *filp, char __user *buf, size_t count
 extern void	     DRM(mem_init)(void);
 extern int	     DRM(mem_info)(char *buf, char **start, off_t offset,
 				   int request, int *eof, void *data);
-extern void	     *DRM(alloc)(size_t size, int area);
 extern void	     *DRM(calloc)(size_t nmemb, size_t size, int area);
 extern void	     *DRM(realloc)(void *oldpt, size_t oldsize, size_t size,
 				   int area);
-extern void	     DRM(free)(void *pt, size_t size, int area);
 extern unsigned long DRM(alloc_pages)(int order, int area);
 extern void	     DRM(free_pages)(unsigned long address, int order,
 				     int area);
@@ -958,6 +958,24 @@ static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsig
 static __inline__ void drm_core_dropmap(struct drm_map *map)
 {
 }
+
+#ifndef DEBUG_MEMORY
+/** Wrapper around kmalloc() */
+static __inline__ void *DRM(alloc)(size_t size, int area)
+{
+	return kmalloc(size, GFP_KERNEL);
+}
+
+/** Wrapper around kfree() */
+static __inline__ void DRM(free)(void *pt, size_t size, int area)
+{
+	kfree(pt);
+}
+#else
+extern void *DRM(alloc)(size_t size, int area);
+extern void DRM(free)(void *pt, size_t size, int area);
+#endif
+
 /*@}*/
 
 extern unsigned long DRM(core_get_map_ofs)(drm_map_t *map);
diff --git a/linux/drm_irq.h b/linux/drm_irq.h
index d9eb9f1d..b34f1ce4 100644
--- a/linux/drm_irq.h
+++ b/linux/drm_irq.h
@@ -304,7 +304,7 @@ int DRM(wait_vblank)( DRM_IOCTL_ARGS )
 
 		spin_unlock_irqrestore( &dev->vbl_lock, irqflags );
 
-		if ( !( vbl_sig = DRM_MALLOC( sizeof( drm_vbl_sig_t ) ) ) ) {
+		if ( !( vbl_sig = DRM(alloc)( sizeof( drm_vbl_sig_t ), DRM_MEM_DRIVER ) ) ) {
 			return -ENOMEM;
 		}
 
@@ -360,7 +360,7 @@ void DRM(vbl_send_signals)( drm_device_t *dev )
 
 			list_del( list );
 
-			DRM_FREE( vbl_sig, sizeof(*vbl_sig) );
+			DRM(free)( vbl_sig, sizeof(*vbl_sig), DRM_MEM_DRIVER );
 
 			dev->vbl_pending--;
 		}
diff --git a/linux/drm_memory.h b/linux/drm_memory.h
index fe8141c9..669bef08 100644
--- a/linux/drm_memory.h
+++ b/linux/drm_memory.h
@@ -39,10 +39,8 @@
 
 /**
  * Cut down version of drm_memory_debug.h, which used to be called
- * drm_memory.h.  If you want the debug functionality, change 0 to 1
- * below.
+ * drm_memory.h.  
  */
-#define DEBUG_MEMORY 0
 
 /* Need the 4-argument version of vmap().  */
 #if __OS_HAS_AGP && defined(VMAP_4_ARGS)
@@ -199,7 +197,7 @@ static inline void drm_ioremapfree(void *pt, unsigned long size, drm_device_t *d
 }
 
 
-#if DEBUG_MEMORY
+#ifdef DEBUG_MEMORY
 #include "drm_memory_debug.h"
 #else
 
@@ -228,13 +226,7 @@ int DRM(mem_info)(char *buf, char **start, off_t offset,
 }
 
 /** Wrapper around kmalloc() */
-void *DRM(alloc)(size_t size, int area)
-{
-	return kmalloc(size, GFP_KERNEL);
-}
-
-/** Wrapper around kmalloc() */
-void *DRM(calloc)(size_t size, size_t nmemb, int area)
+void *DRM(calloc)(size_t nmemb, size_t size, int area)
 {
 	void *addr;
 
@@ -258,12 +250,6 @@ void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area)
 	return pt;
 }
 
-/** Wrapper around kfree() */
-void DRM(free)(void *pt, size_t size, int area)
-{
-	kfree(pt);
-}
-
 /**
  * Allocate pages.
  *
diff --git a/linux/drm_memory_debug.h b/linux/drm_memory_debug.h
index 0053679a..8b484ad9 100644
--- a/linux/drm_memory_debug.h
+++ b/linux/drm_memory_debug.h
@@ -167,7 +167,7 @@ void *DRM(alloc)(size_t size, int area)
 	return pt;
 }
 
-void *DRM(calloc)(size_t size, size_t nmemb, int area)
+void *DRM(calloc)(size_t nmemb, size_t size, int area)
 {
 	void *addr;
 
diff --git a/linux/drm_os_linux.h b/linux/drm_os_linux.h
index 5a7c162d..bf58a1c2 100644
--- a/linux/drm_os_linux.h
+++ b/linux/drm_os_linux.h
@@ -85,11 +85,6 @@ typedef void irqreturn_t;
 	__put_user(val, uaddr)
 
 
-/** 'malloc' without the overhead of DRM(alloc)() */
-#define DRM_MALLOC(x) kmalloc(x, GFP_KERNEL)
-/** 'free' without the overhead of DRM(free)() */
-#define DRM_FREE(x,size) kfree(x)
-
 #define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) _priv = _filp->private_data
 
 /** 
-- 
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