[merged mm-stable] mm-page_alloc-remove-unnecessary-parameter-batch-of-nr_pcp_free.patch removed from -mm tree

[merged mm-stable] mm-page_alloc-remove-unnecessary-parameter-batch-of-nr_pcp_free.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/page_alloc: remove unnecessary parameter batch of nr_pcp_free
has been removed from the -mm tree.  Its filename was
     mm-page_alloc-remove-unnecessary-parameter-batch-of-nr_pcp_free.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Kemeng Shi <shikemeng@huaweicloud.com>
Subject: mm/page_alloc: remove unnecessary parameter batch of nr_pcp_free
Date: Wed, 9 Aug 2023 18:07:54 +0800

We get batch from pcp and just pass it to nr_pcp_free immediately.  Get
batch from pcp inside nr_pcp_free to remove unnecessary parameter batch.

Link: https://lkml.kernel.org/r/20230809100754.3094517-3-shikemeng@huaweicloud.com
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/page_alloc.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

--- a/mm/page_alloc.c~mm-page_alloc-remove-unnecessary-parameter-batch-of-nr_pcp_free
+++ a/mm/page_alloc.c
@@ -2340,10 +2340,10 @@ static bool free_unref_page_prepare(stru
 	return true;
 }
 
-static int nr_pcp_free(struct per_cpu_pages *pcp, int high, int batch,
-		       bool free_high)
+static int nr_pcp_free(struct per_cpu_pages *pcp, int high, bool free_high)
 {
 	int min_nr_free, max_nr_free;
+	int batch = READ_ONCE(pcp->batch);
 
 	/* Free everything if batch freeing high-order pages. */
 	if (unlikely(free_high))
@@ -2410,9 +2410,7 @@ static void free_unref_page_commit(struc
 
 	high = nr_pcp_high(pcp, zone, free_high);
 	if (pcp->count >= high) {
-		int batch = READ_ONCE(pcp->batch);
-
-		free_pcppages_bulk(zone, nr_pcp_free(pcp, high, batch, free_high), pcp, pindex);
+		free_pcppages_bulk(zone, nr_pcp_free(pcp, high, free_high), pcp, pindex);
 	}
 }
 
_

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