diff options
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 67b358e57ef..13c3d82968a 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -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) { |