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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>
This commit is contained in:
OGAWA Hirofumi 2008-07-25 01:45:42 -07:00 committed by Linus Torvalds
parent b69c49b784
commit 2b4bc46052
1 changed files with 2 additions and 2 deletions
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4
mm/pdflush.c
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@ -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 */