linux-kernel - [PATCH 06/12] mm: compaction: use COMPACT_CLUSTER

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Date:   Mon, 18 Apr 2022 22:12:47 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>
CC:     <vbabka@...e.cz>, <pintu@...eaurora.org>,
        <charante@...eaurora.org>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>, <linmiaohe@...wei.com>
Subject: [PATCH 06/12] mm: compaction: use COMPACT_CLUSTER_MAX in compaction.c

Always use COMPACT_CLUSTER_MAX here as we're doing the compaction.
Minor improvements in readability.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 mm/compaction.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index 97821b7d7a4f..1fc912ec3a98 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -573,7 +573,7 @@ static unsigned long isolate_freepages_block(struct compact_control *cc,
 		 * contention, to give chance to IRQs. Abort if fatal signal
 		 * pending.
 		 */
-		if (!(blockpfn % SWAP_CLUSTER_MAX)
+		if (!(blockpfn % COMPACT_CLUSTER_MAX)
 		    && compact_unlock_should_abort(&cc->zone->lock, flags,
 								&locked, cc))
 			break;
@@ -862,7 +862,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
 		 * contention, to give chance to IRQs. Abort completely if
 		 * a fatal signal is pending.
 		 */
-		if (!(low_pfn % SWAP_CLUSTER_MAX)) {
+		if (!(low_pfn % COMPACT_CLUSTER_MAX)) {
 			if (locked) {
 				unlock_page_lruvec_irqrestore(locked, flags);
 				locked = NULL;
@@ -1614,7 +1614,7 @@ static void isolate_freepages(struct compact_control *cc)
 		 * This can iterate a massively long zone without finding any
 		 * suitable migration targets, so periodically check resched.
 		 */
-		if (!(block_start_pfn % (SWAP_CLUSTER_MAX * pageblock_nr_pages)))
+		if (!(block_start_pfn % (COMPACT_CLUSTER_MAX * pageblock_nr_pages)))
 			cond_resched();
 
 		page = pageblock_pfn_to_page(block_start_pfn, block_end_pfn,
@@ -1921,7 +1921,7 @@ static isolate_migrate_t isolate_migratepages(struct compact_control *cc)
 		 * many pageblocks unsuitable, so periodically check if we
 		 * need to schedule.
 		 */
-		if (!(low_pfn % (SWAP_CLUSTER_MAX * pageblock_nr_pages)))
+		if (!(low_pfn % (COMPACT_CLUSTER_MAX * pageblock_nr_pages)))
 			cond_resched();
 
 		page = pageblock_pfn_to_page(block_start_pfn,
-- 
2.23.0