diff options
| author | Steven Rostedt <rostedt@goodmis.org> | 2011-12-23 10:17:51 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2011-12-23 10:17:51 +1100 |
| commit | 38059ec2bd2ce9e4709f49f34795aa0944287908 (patch) | |
| tree | 0e2c1577684af5929a80ad753cf51e65dd681b3a /include/linux | |
| parent | 908f4fbd265733310c17ecc906299846b5dac44a (diff) | |
| download | lwn-38059ec2bd2ce9e4709f49f34795aa0944287908.tar.gz lwn-38059ec2bd2ce9e4709f49f34795aa0944287908.zip | |
md: Fix userspace free_pages() macro
While using etags to find free_pages(), I stumbled across this debug
definition of free_pages() that is to be used while debugging some raid
code in userspace. The __get_free_pages() allocates the correct size,
but the free_pages() does not match. free_pages(), like
__get_free_pages(), takes an order and not a size.
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/raid/pq.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h index 2b59cc824395..53272e9860a7 100644 --- a/include/linux/raid/pq.h +++ b/include/linux/raid/pq.h @@ -132,7 +132,7 @@ void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, PROT_READ|PROT_WRITE, \ MAP_PRIVATE|MAP_ANONYMOUS,\ 0, 0)) -# define free_pages(x, y) munmap((void *)(x), (y)*PAGE_SIZE) +# define free_pages(x, y) munmap((void *)(x), PAGE_SIZE << (y)) static inline void cpu_relax(void) { |