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Commit 2b4bc460 authored by OGAWA Hirofumi's avatar OGAWA Hirofumi Committed by Linus Torvalds
Browse files

pdflush: use time_after() instead of open-coding it 



Signed-off-by: default avatarOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b69c49b7

mm/pdflush.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -130,7 +130,7 @@ static int __pdflush(struct pdflush_work *my_work) 
		 * Thread creation: For how long have there been zero

		 * Thread creation: For how long have there been zero

		 * available threads?

		 * 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 */

			/* unlocked list_empty() test is OK here */

			if (list_empty(&pdflush_list)) {

			if (list_empty(&pdflush_list)) {

				/* unlocked test is OK here */

				/* unlocked test is OK here */
@@ -151,7 +151,7 @@ static int __pdflush(struct pdflush_work *my_work) 
		if (nr_pdflush_threads <= MIN_PDFLUSH_THREADS)

		if (nr_pdflush_threads <= MIN_PDFLUSH_THREADS)

			continue;

			continue;

		pdf = list_entry(pdflush_list.prev, struct pdflush_work, list);

		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 */

			/* Limit exit rate */

			pdf->when_i_went_to_sleep = jiffies;

			pdf->when_i_went_to_sleep = jiffies;

			break;					/* exeunt */

			break;					/* exeunt */