drm: remove drm_{alloc,free}_pages

[sfrench/cifs-2.6.git] / drivers / char / drm / drm_memory.c

diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c
index ff483fb418aae85e2d1d987747efc511a9b415a0..dddf8de661433cc21758fc5f1b98d25c775f483c 100644 (file)
--- a/drivers/char/drm/drm_memory.c
+++ b/drivers/char/drm/drm_memory.c
@@ -1,12 +1,12 @@
-/** 
- * \file drm_memory.h 
+/**
+ * \file drm_memory.c
  * Memory management wrappers for DRM
  *
  * \author Rickard E. (Rik) Faith <faith@valinux.com>
  * \author Gareth Hughes <gareth@valinux.com>
  */
 
-/* 
+/*
  * Created: Thu Feb  4 14:00:34 1999 by faith@valinux.com
  *
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@@ -48,7 +48,7 @@ void drm_mem_init(void)
 
 /**
  * Called when "/proc/dri/%dev%/mem" is read.
- * 
+ *
  * \param buf output buffer.
  * \param start start of output data.
  * \param offset requested start offset.
@@ -57,10 +57,10 @@ void drm_mem_init(void)
  * \param data private data.
  * \return number of written bytes.
  *
- * No-op. 
+ * No-op.
  */
 int drm_mem_info(char *buf, char **start, off_t offset,
-                 int len, int *eof, void *data)
+                int len, int *eof, void *data)
 {
        return 0;
 }
@@ -70,7 +70,8 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area)
 {
        void *pt;
 
-       if (!(pt = kmalloc(size, GFP_KERNEL))) return NULL;
+       if (!(pt = kmalloc(size, GFP_KERNEL)))
+               return NULL;
        if (oldpt && oldsize) {
                memcpy(pt, oldpt, oldsize);
                kfree(oldpt);
@@ -78,95 +79,29 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area)
        return pt;
 }
 
-/**
- * Allocate pages.
- *
- * \param order size order.
- * \param area memory area. (Not used.)
- * \return page address on success, or zero on failure.
- *
- * Allocate and reserve free pages.
- */
-unsigned long drm_alloc_pages(int order, int area)
-{
-       unsigned long address;
-       unsigned long bytes       = PAGE_SIZE << order;
-       unsigned long addr;
-       unsigned int  sz;
-
-       address = __get_free_pages(GFP_KERNEL, order);
-       if (!address) 
-               return 0;
-
-                               /* Zero */
-       memset((void *)address, 0, bytes);
-
-                               /* Reserve */
-       for (addr = address, sz = bytes;
-            sz > 0;
-            addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-               SetPageReserved(virt_to_page(addr));
-       }
-
-       return address;
-}
-
-/**
- * Free pages.
- * 
- * \param address address of the pages to free.
- * \param order size order.
- * \param area memory area. (Not used.)
- *
- * Unreserve and free pages allocated by alloc_pages().
- */
-void drm_free_pages(unsigned long address, int order, int area)
-{
-       unsigned long bytes = PAGE_SIZE << order;
-       unsigned long addr;
-       unsigned int  sz;
-
-       if (!address) 
-               return;
-
-       /* Unreserve */
-       for (addr = address, sz = bytes;
-            sz > 0;
-            addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-               ClearPageReserved(virt_to_page(addr));
-       }
-
-       free_pages(address, order);
-}
-
-
 #if __OS_HAS_AGP
 /** Wrapper around agp_allocate_memory() */
-DRM_AGP_MEM *drm_alloc_agp(drm_device_t *dev, int pages, u32 type)
+DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type)
 {
        return drm_agp_allocate_memory(dev->agp->bridge, pages, type);
 }
-EXPORT_SYMBOL(drm_alloc_agp);
 
 /** Wrapper around agp_free_memory() */
-int drm_free_agp(DRM_AGP_MEM *handle, int pages)
+int drm_free_agp(DRM_AGP_MEM * handle, int pages)
 {
        return drm_agp_free_memory(handle) ? 0 : -EINVAL;
 }
-EXPORT_SYMBOL(drm_free_agp);
 
 /** Wrapper around agp_bind_memory() */
-int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start)
+int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start)
 {
        return drm_agp_bind_memory(handle, start);
 }
-EXPORT_SYMBOL(drm_bind_agp);
 
 /** Wrapper around agp_unbind_memory() */
-int drm_unbind_agp(DRM_AGP_MEM *handle)
+int drm_unbind_agp(DRM_AGP_MEM * handle)
 {
        return drm_agp_unbind_memory(handle);
 }
-EXPORT_SYMBOL(drm_unbind_agp);
-#endif /* agp */
-#endif /* debug_memory */
+#endif                         /* agp */
+#endif                         /* debug_memory */