+ mm-mm_initc-move-set_pageblock_order-to-free_area_init.patch added to mm-unstable branch

+ mm-mm_initc-move-set_pageblock_order-to-free_area_init.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm/mm_init.c: move set_pageblock_order() to free_area_init()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-mm_initc-move-set_pageblock_order-to-free_area_init.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-mm_initc-move-set_pageblock_order-to-free_area_init.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: Haifeng Xu <haifeng.xu@shopee.com>
Subject: mm/mm_init.c: move set_pageblock_order() to free_area_init()
Date: Thu, 1 Jun 2023 06:35:35 +0000

pageblock_order only needs to be set once, there is no need to initialize
it in every zone/node.

Link: https://lkml.kernel.org/r/20230601063536.26882-1-haifeng.xu@shopee.com
Signed-off-by: Haifeng Xu <haifeng.xu@shopee.com>
Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/mm_init.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/mm/mm_init.c~mm-mm_initc-move-set_pageblock_order-to-free_area_init
+++ a/mm/mm_init.c
@@ -1585,7 +1585,6 @@ static void __init free_area_init_core(s
 		if (!size)
 			continue;
 
-		set_pageblock_order();
 		setup_usemap(zone);
 		init_currently_empty_zone(zone, zone->zone_start_pfn, size);
 	}
@@ -1852,6 +1851,8 @@ void __init free_area_init(unsigned long
 	/* Initialise every node */
 	mminit_verify_pageflags_layout();
 	setup_nr_node_ids();
+	set_pageblock_order();
+
 	for_each_node(nid) {
 		pg_data_t *pgdat;
 
_

Patches currently in -mm which might be from haifeng.xu@shopee.com are

memcg-oom-remove-unnecessary-check-in-mem_cgroup_oom_synchronize.patch
memcg-oom-remove-explicit-wakeup-in-mem_cgroup_oom_synchronize.patch
mm-oom-do-not-check-0-mask-in-out_of_memory.patch
mm-memcontrol-fix-typo-in-comment.patch
selftests-cgroup-fix-unexpected-failure-on-test_memcg_low.patch
mm-mm_initc-introduce-reset_memoryless_node_totalpages.patch
mm-mm_initc-do-not-calculate-zone_start_pfn-zone_end_pfn-in-zone_absent_pages_in_node.patch
mm-mm_initc-remove-free_area_init_memoryless_node.patch
mm-mm_initc-move-set_pageblock_order-to-free_area_init.patch
fork-optimize-memcg_charge_kernel_stack-a-bit.patch