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>
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index b55d5bc..577094f 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -55,17 +55,6 @@
unsigned long addr;
size_t sz;
#endif
-#ifdef DRM_DEBUG_MEMORY
- int area = DRM_MEM_DMA;
-
- spin_lock(&drm_mem_lock);
- if ((drm_ram_used >> PAGE_SHIFT)
- > (DRM_RAM_PERCENT * drm_ram_available) / 100) {
- spin_unlock(&drm_mem_lock);
- return 0;
- }
- spin_unlock(&drm_mem_lock);
-#endif
/* pci_alloc_consistent only guarantees alignment to the smallest
* PAGE_SIZE order which is greater than or equal to the requested size.
@@ -86,26 +75,10 @@
dmah->size = size;
dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, GFP_KERNEL | __GFP_COMP);
-#ifdef DRM_DEBUG_MEMORY
- if (dmah->vaddr == NULL) {
- spin_lock(&drm_mem_lock);
- ++drm_mem_stats[area].fail_count;
- spin_unlock(&drm_mem_lock);
- kfree(dmah);
- return NULL;
- }
-
- spin_lock(&drm_mem_lock);
- ++drm_mem_stats[area].succeed_count;
- drm_mem_stats[area].bytes_allocated += size;
- drm_ram_used += size;
- spin_unlock(&drm_mem_lock);
-#else
if (dmah->vaddr == NULL) {
kfree(dmah);
return NULL;
}
-#endif
memset(dmah->vaddr, 0, size);
@@ -132,17 +105,8 @@
unsigned long addr;
size_t sz;
#endif
-#ifdef DRM_DEBUG_MEMORY
- int area = DRM_MEM_DMA;
- int alloc_count;
- int free_count;
-#endif
- if (!dmah->vaddr) {
-#ifdef DRM_DEBUG_MEMORY
- DRM_MEM_ERROR(area, "Attempt to free address 0\n");
-#endif
- } else {
+ if (dmah->vaddr) {
/* XXX - Is virt_to_page() legal for consistent mem? */
/* Unreserve */
for (addr = (unsigned long)dmah->vaddr, sz = dmah->size;
@@ -152,21 +116,6 @@
dma_free_coherent(&dev->pdev->dev, dmah->size, dmah->vaddr,
dmah->busaddr);
}
-
-#ifdef DRM_DEBUG_MEMORY
- spin_lock(&drm_mem_lock);
- free_count = ++drm_mem_stats[area].free_count;
- alloc_count = drm_mem_stats[area].succeed_count;
- drm_mem_stats[area].bytes_freed += size;
- drm_ram_used -= size;
- 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);
- }
-#endif
-
}
/**