From: OGAWA Hirofumi Date: Fri, 25 Jul 2008 08:45:42 +0000 (-0700) Subject: pdflush: use time_after() instead of open-coding it X-Git-Tag: v2.6.27-rc1~476 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=2b4bc46052ea8cd7c370b67ca0b9c26586f1439a;p=linux.git pdflush: use time_after() instead of open-coding it Signed-off-by: OGAWA Hirofumi Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/mm/pdflush.c b/mm/pdflush.c index 9d834aa4b979..0cbe0c60c6bf 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 */