+ mm-compaction-remove-repeat-compact_blockskip_flush-check-in-reset_isolation_suitable.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mm/compaction: remove repeat compact_blockskip_flush check in reset_isolation_suitable
has been added to the -mm mm-unstable branch.  Its filename is
     mm-compaction-remove-repeat-compact_blockskip_flush-check-in-reset_isolation_suitable.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-compaction-remove-repeat-compact_blockskip_flush-check-in-reset_isolation_suitable.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Kemeng Shi <shikemeng@huaweicloud.com>
Subject: mm/compaction: remove repeat compact_blockskip_flush check in reset_isolation_suitable
Date: Fri, 1 Sep 2023 23:51:39 +0800

We have compact_blockskip_flush check in __reset_isolation_suitable, just
remove repeat check before __reset_isolation_suitable in
compact_blockskip_flush.

Link: https://lkml.kernel.org/r/20230901155141.249860-5-shikemeng@huaweicloud.com
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Cc: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/compaction.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--- a/mm/compaction.c~mm-compaction-remove-repeat-compact_blockskip_flush-check-in-reset_isolation_suitable
+++ a/mm/compaction.c
@@ -382,6 +382,7 @@ static void __reset_isolation_suitable(s
 	bool source_set = false;
 	bool free_set = false;
 
+	/* Only flush if a full compaction finished recently */
 	if (!zone->compact_blockskip_flush)
 		return;
 
@@ -434,9 +435,7 @@ void reset_isolation_suitable(pg_data_t
 		if (!populated_zone(zone))
 			continue;
 
-		/* Only flush if a full compaction finished recently */
-		if (zone->compact_blockskip_flush)
-			__reset_isolation_suitable(zone);
+		__reset_isolation_suitable(zone);
 	}
 }
 
_

Patches currently in -mm which might be from shikemeng@huaweicloud.com are

mm-compaction-use-correct-list-in-move_freelist_head-tail.patch
mm-compaction-call-list_is_first-last-more-intuitively-in-move_freelist_head-tail.patch
mm-compaction-correctly-return-failure-with-bogus-compound_order-in-strict-mode.patch
mm-compaction-remove-repeat-compact_blockskip_flush-check-in-reset_isolation_suitable.patch
mm-compaction-improve-comment-of-is_via_compact_memory.patch
mm-compaction-factor-out-code-to-test-if-we-should-run-compaction-for-target-order.patch