drm: Remove memory debugging infrastructure.

It hasn't been used in ages, and having the user tell your how much
memory is being freed at free time is a recipe for disaster even if it
was ever used.

Signed-off-by: Eric Anholt <eric@anholt.net>

2 files changed, 0 insertions, 361 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index d4ddc22e46bb..45b67d9c39c1 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -34,9 +34,6 @@
 #ifndef _DRM_P_H_
 #define _DRM_P_H_
 
-/* If you want the memory alloc debug functionality, change define below */
-/* #define DEBUG_MEMORY */
-
 #ifdef __KERNEL__
 #ifdef __alpha__
 /* add include of current.h so that "current" is defined
@@ -133,31 +130,6 @@ extern void drm_ut_debug_printk(unsigned int request_level,
 
 #define DRM_FLAG_DEBUG	  0x01
 
-#define DRM_MEM_DMA	   0
-#define DRM_MEM_SAREA	   1
-#define DRM_MEM_DRIVER	   2
-#define DRM_MEM_MAGIC	   3
-#define DRM_MEM_IOCTLS	   4
-#define DRM_MEM_MAPS	   5
-#define DRM_MEM_VMAS	   6
-#define DRM_MEM_BUFS	   7
-#define DRM_MEM_SEGS	   8
-#define DRM_MEM_PAGES	   9
-#define DRM_MEM_FILES	  10
-#define DRM_MEM_QUEUES	  11
-#define DRM_MEM_CMDS	  12
-#define DRM_MEM_MAPPINGS  13
-#define DRM_MEM_BUFLISTS  14
-#define DRM_MEM_AGPLISTS  15
-#define DRM_MEM_TOTALAGP  16
-#define DRM_MEM_BOUNDAGP  17
-#define DRM_MEM_CTXBITMAP 18
-#define DRM_MEM_STUB      19
-#define DRM_MEM_SGLISTS   20
-#define DRM_MEM_CTXLIST   21
-#define DRM_MEM_MM        22
-#define DRM_MEM_HASHTAB   23
-
 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
 #define DRM_MAP_HASH_OFFSET 0x10000000
 
@@ -1517,24 +1489,6 @@ static __inline__ void drm_core_dropmap(struct drm_local_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);
-}
-
-/** Wrapper around kcalloc() */
-static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area)
-{
-	return kcalloc(nmemb, size, GFP_KERNEL);
-}
 
 static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
 {
@@ -1555,12 +1509,6 @@ static __inline void drm_free_large(void *ptr)
 
 	vfree(ptr);
 }
-#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);
-#endif
-
 /*@}*/
 
 #endif				/* __KERNEL__ */
diff --git a/include/drm/drm_memory_debug.h b/include/drm/drm_memory_debug.h
deleted file mode 100644
index 6463271deea8..000000000000
--- a/include/drm/drm_memory_debug.h
+++ /dev/null
@@ -1,309 +0,0 @@
-/**
- * \file drm_memory_debug.h
- * Memory management wrappers for DRM.
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "drmP.h"
-
-typedef struct drm_mem_stats {
-	const char *name;
-	int succeed_count;
-	int free_count;
-	int fail_count;
-	unsigned long bytes_allocated;
-	unsigned long bytes_freed;
-} drm_mem_stats_t;
-
-static DEFINE_SPINLOCK(drm_mem_lock);
-static unsigned long drm_ram_available = 0;	/* In pages */
-static unsigned long drm_ram_used = 0;
-static drm_mem_stats_t drm_mem_stats[] =
-{
-	[DRM_MEM_DMA] = {"dmabufs"},
-	[DRM_MEM_SAREA] = {"sareas"},
-	[DRM_MEM_DRIVER] = {"driver"},
-	[DRM_MEM_MAGIC] = {"magic"},
-	[DRM_MEM_IOCTLS] = {"ioctltab"},
-	[DRM_MEM_MAPS] = {"maplist"},
-	[DRM_MEM_VMAS] = {"vmalist"},
-	[DRM_MEM_BUFS] = {"buflist"},
-	[DRM_MEM_SEGS] = {"seglist"},
-	[DRM_MEM_PAGES] = {"pagelist"},
-	[DRM_MEM_FILES] = {"files"},
-	[DRM_MEM_QUEUES] = {"queues"},
-	[DRM_MEM_CMDS] = {"commands"},
-	[DRM_MEM_MAPPINGS] = {"mappings"},
-	[DRM_MEM_BUFLISTS] = {"buflists"},
-	[DRM_MEM_AGPLISTS] = {"agplist"},
-	[DRM_MEM_SGLISTS] = {"sglist"},
-	[DRM_MEM_TOTALAGP] = {"totalagp"},
-	[DRM_MEM_BOUNDAGP] = {"boundagp"},
-	[DRM_MEM_CTXBITMAP] = {"ctxbitmap"},
-	[DRM_MEM_CTXLIST] = {"ctxlist"},
-	[DRM_MEM_STUB] = {"stub"},
-	{NULL, 0,}		/* Last entry must be null */
-};
-
-void drm_mem_init (void) {
-	drm_mem_stats_t *mem;
-	struct sysinfo si;
-
-	for (mem = drm_mem_stats; mem->name; ++mem) {
-		mem->succeed_count = 0;
-		mem->free_count = 0;
-		mem->fail_count = 0;
-		mem->bytes_allocated = 0;
-		mem->bytes_freed = 0;
-	}
-
-	si_meminfo(&si);
-	drm_ram_available = si.totalram;
-	drm_ram_used = 0;
-}
-
-/* drm_mem_info is called whenever a process reads /dev/drm/mem. */
-
-static int drm__mem_info (char *buf, char **start, off_t offset,
-			   int request, int *eof, void *data) {
-	drm_mem_stats_t *pt;
-	int len = 0;
-
-	if (offset > DRM_PROC_LIMIT) {
-		*eof = 1;
-		return 0;
-	}
-
-	*eof = 0;
-	*start = &buf[offset];
-
-	DRM_PROC_PRINT("		  total counts			"
-		       " |    outstanding  \n");
-	DRM_PROC_PRINT("type	   alloc freed fail	bytes	   freed"
-		       " | allocs      bytes\n\n");
-	DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB         |\n",
-		       "system", 0, 0, 0,
-		       drm_ram_available << (PAGE_SHIFT - 10));
-	DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB         |\n",
-		       "locked", 0, 0, 0, drm_ram_used >> 10);
-	DRM_PROC_PRINT("\n");
-	for (pt = drm_mem_stats; pt->name; pt++) {
-		DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n",
-			       pt->name,
-			       pt->succeed_count,
-			       pt->free_count,
-			       pt->fail_count,
-			       pt->bytes_allocated,
-			       pt->bytes_freed,
-			       pt->succeed_count - pt->free_count,
-			       (long)pt->bytes_allocated
-			       - (long)pt->bytes_freed);
-	}
-
-	if (len > request + offset)
-		return request;
-	*eof = 1;
-	return len - offset;
-}
-
-int drm_mem_info (char *buf, char **start, off_t offset,
-		   int len, int *eof, void *data) {
-	int ret;
-
-	spin_lock(&drm_mem_lock);
-	ret = drm__mem_info (buf, start, offset, len, eof, data);
-	spin_unlock(&drm_mem_lock);
-	return ret;
-}
-
-void *drm_alloc (size_t size, int area) {
-	void *pt;
-
-	if (!size) {
-		DRM_MEM_ERROR(area, "Allocating 0 bytes\n");
-		return NULL;
-	}
-
-	if (!(pt = kmalloc(size, GFP_KERNEL))) {
-		spin_lock(&drm_mem_lock);
-		++drm_mem_stats[area].fail_count;
-		spin_unlock(&drm_mem_lock);
-		return NULL;
-	}
-	spin_lock(&drm_mem_lock);
-	++drm_mem_stats[area].succeed_count;
-	drm_mem_stats[area].bytes_allocated += size;
-	spin_unlock(&drm_mem_lock);
-	return pt;
-}
-
-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);
-
-	return addr;
-}
-
-void *drm_realloc (void *oldpt, size_t oldsize, size_t size, int area) {
-	void *pt;
-
-	if (!(pt = drm_alloc (size, area)))
-		return NULL;
-	if (oldpt && oldsize) {
-		memcpy(pt, oldpt, oldsize);
-		drm_free (oldpt, oldsize, area);
-	}
-	return pt;
-}
-
-void drm_free (void *pt, size_t size, int area) {
-	int alloc_count;
-	int free_count;
-
-	if (!pt)
-		DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n");
-	else
-		kfree(pt);
-	spin_lock(&drm_mem_lock);
-	drm_mem_stats[area].bytes_freed += size;
-	free_count = ++drm_mem_stats[area].free_count;
-	alloc_count = drm_mem_stats[area].succeed_count;
-	spin_unlock(&drm_mem_lock);
-	if (free_count > alloc_count) {
-		DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n",
-			      free_count, alloc_count);
-	}
-}
-
-#if __OS_HAS_AGP
-
-DRM_AGP_MEM *drm_alloc_agp (drm_device_t *dev, int pages, u32 type) {
-	DRM_AGP_MEM *handle;
-
-	if (!pages) {
-		DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n");
-		return NULL;
-	}
-
-	if ((handle = drm_agp_allocate_memory (pages, type))) {
-		spin_lock(&drm_mem_lock);
-		++drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count;
-		drm_mem_stats[DRM_MEM_TOTALAGP].bytes_allocated
-		    += pages << PAGE_SHIFT;
-		spin_unlock(&drm_mem_lock);
-		return handle;
-	}
-	spin_lock(&drm_mem_lock);
-	++drm_mem_stats[DRM_MEM_TOTALAGP].fail_count;
-	spin_unlock(&drm_mem_lock);
-	return NULL;
-}
-
-int drm_free_agp (DRM_AGP_MEM * handle, int pages) {
-	int alloc_count;
-	int free_count;
-	int retval = -EINVAL;
-
-	if (!handle) {
-		DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
-			      "Attempt to free NULL AGP handle\n");
-		return retval;
-	}
-
-	if (drm_agp_free_memory (handle)) {
-		spin_lock(&drm_mem_lock);
-		free_count = ++drm_mem_stats[DRM_MEM_TOTALAGP].free_count;
-		alloc_count = drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count;
-		drm_mem_stats[DRM_MEM_TOTALAGP].bytes_freed
-		    += pages << PAGE_SHIFT;
-		spin_unlock(&drm_mem_lock);
-		if (free_count > alloc_count) {
-			DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
-				      "Excess frees: %d frees, %d allocs\n",
-				      free_count, alloc_count);
-		}
-		return 0;
-	}
-	return retval;
-}
-
-int drm_bind_agp (DRM_AGP_MEM * handle, unsigned int start) {
-	int retcode = -EINVAL;
-
-	if (!handle) {
-		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
-			      "Attempt to bind NULL AGP handle\n");
-		return retcode;
-	}
-
-	if (!(retcode = drm_agp_bind_memory (handle, start))) {
-		spin_lock(&drm_mem_lock);
-		++drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count;
-		drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_allocated
-		    += handle->page_count << PAGE_SHIFT;
-		spin_unlock(&drm_mem_lock);
-		return retcode;
-	}
-	spin_lock(&drm_mem_lock);
-	++drm_mem_stats[DRM_MEM_BOUNDAGP].fail_count;
-	spin_unlock(&drm_mem_lock);
-	return retcode;
-}
-
-int drm_unbind_agp (DRM_AGP_MEM * handle) {
-	int alloc_count;
-	int free_count;
-	int retcode = -EINVAL;
-
-	if (!handle) {
-		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
-			      "Attempt to unbind NULL AGP handle\n");
-		return retcode;
-	}
-
-	if ((retcode = drm_agp_unbind_memory (handle)))
-		return retcode;
-	spin_lock(&drm_mem_lock);
-	free_count = ++drm_mem_stats[DRM_MEM_BOUNDAGP].free_count;
-	alloc_count = drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count;
-	drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_freed
-	    += handle->page_count << PAGE_SHIFT;
-	spin_unlock(&drm_mem_lock);
-	if (free_count > alloc_count) {
-		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
-			      "Excess frees: %d frees, %d allocs\n",
-			      free_count, alloc_count);
-	}
-	return retcode;
-}
-#endif