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authorOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>2008-07-25 01:45:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 10:53:28 -0700
commit2b4bc46052ea8cd7c370b67ca0b9c26586f1439a (patch)
tree7ea589780fa4f579e2d678bbf4c2655c57cfadbb
parentb69c49b78457f681ecfb3147bd968434ee6559c1 (diff)
pdflush: use time_after() instead of open-coding it
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/pdflush.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/pdflush.c b/mm/pdflush.c
index 9d834aa4b97..0cbe0c60c6b 100644
--- a/mm/pdflush.c
+++ b/mm/pdflush.c
@@ -130,7 +130,7 @@ static int __pdflush(struct pdflush_work *my_work)
* Thread creation: For how long have there been zero
* available threads?
*/
- if (jiffies - last_empty_jifs > 1 * HZ) {
+ if (time_after(jiffies, last_empty_jifs + 1 * HZ)) {
/* unlocked list_empty() test is OK here */
if (list_empty(&pdflush_list)) {
/* unlocked test is OK here */
@@ -151,7 +151,7 @@ static int __pdflush(struct pdflush_work *my_work)
if (nr_pdflush_threads <= MIN_PDFLUSH_THREADS)
continue;
pdf = list_entry(pdflush_list.prev, struct pdflush_work, list);
- if (jiffies - pdf->when_i_went_to_sleep > 1 * HZ) {
+ if (time_after(jiffies, pdf->when_i_went_to_sleep + 1 * HZ)) {
/* Limit exit rate */
pdf->when_i_went_to_sleep = jiffies;
break; /* exeunt */