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authorDave Airlie <airlied@starflyer.(none)>2005-09-25 13:14:45 +1000
committerDave Airlie <airlied@linux.ie>2005-09-25 13:14:45 +1000
commit4e0c1159d83a658d1ffba5bc3442f4ec4cadb436 (patch)
tree36a5079ba7ba9b9e0f2f633356705b980940eac4 /mm/vmalloc.c
parentea98a92ff18c03bf7f4d21536986cbbcb4c10cd9 (diff)
parentef6bd6eb90ad72ee8ee7ba8b271f27102e9a90c1 (diff)
update from upstream
Diffstat (limited to 'mm/vmalloc.c')
-rw-r--r--mm/vmalloc.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 8ff16a1eee6a..13c3d82968ae 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -158,8 +158,6 @@ int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
return err;
}
-#define IOREMAP_MAX_ORDER (7 + PAGE_SHIFT) /* 128 pages */
-
struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
unsigned long start, unsigned long end)
{
@@ -334,9 +332,10 @@ void __vunmap(void *addr, int deallocate_pages)
* @addr: memory base address
*
* Free the virtually contiguous memory area starting at @addr, as
- * obtained from vmalloc(), vmalloc_32() or __vmalloc().
+ * obtained from vmalloc(), vmalloc_32() or __vmalloc(). If @addr is
+ * NULL, no operation is performed.
*
- * May not be called in interrupt context.
+ * Must not be called in interrupt context.
*/
void vfree(void *addr)
{
@@ -354,7 +353,7 @@ EXPORT_SYMBOL(vfree);
* Free the virtually contiguous memory area starting at @addr,
* which was created from the page array passed to vmap().
*
- * May not be called in interrupt context.
+ * Must not be called in interrupt context.
*/
void vunmap(void *addr)
{