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| author | Mark Rustad <mark.d.rustad@intel.com> | 2014-10-09 15:28:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-09 22:25:57 -0400 |
| commit | 7c809968ffa92d41baaa9054e897436480179b20 (patch) | |
| tree | ed398fc20903aa201f57aa508f1e03189802a776 /mm/page-writeback.c | |
| parent | 7ade3c997208566c5bf50ece8fc319a8caf0d41a (diff) | |
| download | lwn-7c809968ffa92d41baaa9054e897436480179b20.tar.gz lwn-7c809968ffa92d41baaa9054e897436480179b20.zip | |
mm/page-writeback.c: use min3/max3 macros to avoid shadow warnings
Nested calls to min/max functions result in shadow warnings in W=2 builds.
Avoid the warning by using the min3 and max3 macros to get the min/max of
3 values instead of nested calls.
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 91d73ef1744d..35ca7102d421 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1075,13 +1075,13 @@ static void bdi_update_dirty_ratelimit(struct backing_dev_info *bdi, } if (dirty < setpoint) { - x = min(bdi->balanced_dirty_ratelimit, - min(balanced_dirty_ratelimit, task_ratelimit)); + x = min3(bdi->balanced_dirty_ratelimit, + balanced_dirty_ratelimit, task_ratelimit); if (dirty_ratelimit < x) step = x - dirty_ratelimit; } else { - x = max(bdi->balanced_dirty_ratelimit, - max(balanced_dirty_ratelimit, task_ratelimit)); + x = max3(bdi->balanced_dirty_ratelimit, + balanced_dirty_ratelimit, task_ratelimit); if (dirty_ratelimit > x) step = dirty_ratelimit - x; } |