+ mm-mm_initc-remove-meaningless-calculation-of-zone-managed_pages-in-free_area_init_core-v3.patch added to mm-unstable branch

+ mm-mm_initc-remove-meaningless-calculation-of-zone-managed_pages-in-free_area_init_core-v3.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm/mm_init.c: remove meaningless calculation of zone->managed_pages in free_area_init_core()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-mm_initc-remove-meaningless-calculation-of-zone-managed_pages-in-free_area_init_core-v3.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-remove-meaningless-calculation-of-zone-managed_pages-in-free_area_init_core-v3.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: Baoquan He <bhe@redhat.com>
Subject: mm/mm_init.c: remove meaningless calculation of zone->managed_pages in free_area_init_core()
Date: Thu, 28 Mar 2024 17:12:14 +0800

Change to initialize zone->managed_pages as zone->present_pages for now
because later page_group_by_mobility_disabled need be set according to
zone->managed_pages.  Otherwise it will cause setting
page_group_by_mobility_disabled to 1 always.

Link: https://lkml.kernel.org/r/ZgU0bsJ2FEjykvju@MiWiFi-R3L-srv
Signed-off-by: Baoquan He <bhe@redhat.com>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

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

--- a/mm/mm_init.c~mm-mm_initc-remove-meaningless-calculation-of-zone-managed_pages-in-free_area_init_core-v3
+++ a/mm/mm_init.c
@@ -1582,7 +1582,7 @@ static void __init free_area_init_core(s
 		 * Initialize zone->managed_pages as 0 , it will be reset
 		 * when memblock allocator frees pages into buddy system.
 		 */
-		zone_init_internals(zone, j, nid, 0);
+		zone_init_internals(zone, j, nid, zone->present_pages);
 
 		if (!size)
 			continue;
_

Patches currently in -mm which might be from bhe@redhat.com are

mm-vmallocc-optimize-to-reduce-arguments-of-alloc_vmap_area.patch
x86-remove-unneeded-memblock_find_dma_reserve.patch
mm-mm_initc-remove-the-useless-dma_reserve.patch
mm-mm_initc-add-new-function-calc_nr_all_pages.patch
mm-mm_initc-remove-meaningless-calculation-of-zone-managed_pages-in-free_area_init_core.patch
mm-mm_initc-remove-meaningless-calculation-of-zone-managed_pages-in-free_area_init_core-v3.patch
mm-mm_initc-remove-unneeded-calc_memmap_size.patch
mm-mm_initc-remove-arch_reserved_kernel_pages.patch
mm-move-array-mem_section-init-code-out-of-memory_present.patch
mm-init-remove-the-unnecessary-special-treatment-for-memory-less-node.patch
mm-make-__absent_pages_in_range-as-static.patch
mm-page_allocc-remove-unneeded-codes-in-numa-version-of-build_zonelists.patch
mm-page_allocc-remove-unneeded-codes-in-numa-version-of-build_zonelists-v2.patch
mm-mm_initc-remove-the-outdated-code-comment-above-deferred_grow_zone.patch
mm-page_allocc-dont-show-protection-in-zones-lowmem_reserve-for-empty-zone.patch
mm-page_allocc-change-the-array-length-to-migrate_pcptypes.patch