BackPup/Linux
1
0 Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-10-07 05:31:08 -04:00
Code Issues Packages Projects Releases Wiki Activity

[PATCH] update kfree, vfree, and vunmap kerneldoc

Browse Source 
This patch clarifies NULL handling of kfree() and vfree().  I addition,
wording of calling context restriction for vfree() and vunmap() are changed
from "may not" to "must not."

Signed-off-by: Pekka Enberg <[email protected]>
Acked-by: Manfred Spraul <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Pekka Enberg authored and Linus Torvalds committed 2005-09-09 14:03:43 -07:00
1 parent af97c7220a
commit 80e93effce
2 files changed
+6 -3
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

mm/slab.c
+2
View File
@@ -2998,6 +2998,8 @@ EXPORT_SYMBOL(kzalloc);
* kfree - free previously allocated memory
* @objp: pointer returned by kmalloc.
*
* If @objp is NULL, no operation is performed.
*
* Don't free memory not originally allocated by kmalloc()
* or you will run into trouble.
*/
mm/vmalloc.c
+4 -3
View File
@@ -332,9 +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)
{
@@ -352,7 +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)
{