linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / mm / nommu.c
index 2fff336..c61677b 100644 (file)
@@ -159,7 +159,7 @@ void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot)
        /*
         * kmalloc doesn't like __GFP_HIGHMEM for some reason
         */
-       return kmalloc(size, (gfp_mask | __GFP_COMP) & ~__GFP_HIGHMEM);
+       return kmalloc(size, gfp_mask & ~__GFP_HIGHMEM);
 }
 
 struct page * vmalloc_to_page(void *addr)
@@ -623,7 +623,7 @@ static int do_mmap_private(struct vm_area_struct *vma, unsigned long len)
         * - note that this may not return a page-aligned address if the object
         *   we're allocating is smaller than a page
         */
-       base = kmalloc(len, GFP_KERNEL|__GFP_COMP);
+       base = kmalloc(len, GFP_KERNEL);
        if (!base)
                goto enomem;
 
@@ -1070,7 +1070,6 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
        vma->vm_start = vma->vm_pgoff << PAGE_SHIFT;
        return 0;
 }
-EXPORT_SYMBOL(remap_pfn_range);
 
 void swap_unplug_io_fn(struct backing_dev_info *bdi, struct page *page)
 {
@@ -1091,7 +1090,6 @@ void unmap_mapping_range(struct address_space *mapping,
                         int even_cows)
 {
 }
-EXPORT_SYMBOL(unmap_mapping_range);
 
 /*
  * Check that a process has enough memory to allocate a new virtual
@@ -1124,7 +1122,7 @@ int __vm_enough_memory(long pages, int cap_sys_admin)
        if (sysctl_overcommit_memory == OVERCOMMIT_GUESS) {
                unsigned long n;
 
-               free = global_page_state(NR_FILE_PAGES);
+               free = get_page_cache_size();
                free += nr_swap_pages;
 
                /*
@@ -1149,26 +1147,14 @@ int __vm_enough_memory(long pages, int cap_sys_admin)
                 * only call if we're about to fail.
                 */
                n = nr_free_pages();
-
-               /*
-                * Leave reserved pages. The pages are not for anonymous pages.
-                */
-               if (n <= totalreserve_pages)
-                       goto error;
-               else
-                       n -= totalreserve_pages;
-
-               /*
-                * Leave the last 3% for root
-                */
                if (!cap_sys_admin)
                        n -= n / 32;
                free += n;
 
                if (free > pages)
                        return 0;
-
-               goto error;
+               vm_unacct_memory(pages);
+               return -ENOMEM;
        }
 
        allowed = totalram_pages * sysctl_overcommit_ratio / 100;
@@ -1189,7 +1175,7 @@ int __vm_enough_memory(long pages, int cap_sys_admin)
         */
        if (atomic_read(&vm_committed_space) < (long)allowed)
                return 0;
-error:
+
        vm_unacct_memory(pages);
 
        return -ENOMEM;