Re: [PATCH 6/8] mm/bootmem_info: stop marking mem_section_usage as MIX_SECTION_INFO

[PATCH 0/8] mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE (Part 1) · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-11
[PATCH 1/8] sparc/mm: remove register_page_bootmem_info() · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-11
Re: [PATCH 1/8] sparc/mm: remove register_page_bootmem_info() · Oscar Salvador <osalvador@suse.de> · 2026-05-12
Re: [PATCH 1/8] sparc/mm: remove register_page_bootmem_info() · Mike Rapoport <rppt@kernel.org> · 2026-05-13
Re: [PATCH 1/8] sparc/mm: remove register_page_bootmem_info() · Lance Yang <lance.yang@linux.dev> · 2026-05-18
[PATCH 2/8] mm/bootmem_info: drop initialization of page->lru · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-11
Re: [PATCH 2/8] mm/bootmem_info: drop initialization of page->lru · Oscar Salvador <osalvador@suse.de> · 2026-05-12
Re: [PATCH 2/8] mm/bootmem_info: drop initialization of page->lru · Mike Rapoport <rppt@kernel.org> · 2026-05-13
Re: [PATCH 2/8] mm/bootmem_info: drop initialization of page->lru · Lance Yang <lance.yang@linux.dev> · 2026-05-18
[PATCH 3/8] mm/bootmem_info: stop using PG_private · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-11
Re: [PATCH 3/8] mm/bootmem_info: stop using PG_private · Oscar Salvador <osalvador@suse.de> · 2026-05-12
Re: [PATCH 3/8] mm/bootmem_info: stop using PG_private · Mike Rapoport <rppt@kernel.org> · 2026-05-13
Re: [PATCH 3/8] mm/bootmem_info: stop using PG_private · Lance Yang <lance.yang@linux.dev> · 2026-05-19
[PATCH 4/8] mm/bootmem_info: remove call to kmemleak_free_part_phys() · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-11
Re: [PATCH 4/8] mm/bootmem_info: remove call to kmemleak_free_part_phys() · Oscar Salvador <osalvador@suse.de> · 2026-05-12
Re: [PATCH 4/8] mm/bootmem_info: remove call to kmemleak_free_part_phys() · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-12
Re: [PATCH 4/8] mm/bootmem_info: remove call to kmemleak_free_part_phys() · Lance Yang <lance.yang@linux.dev> · 2026-05-20
Re: [PATCH 4/8] mm/bootmem_info: remove call to kmemleak_free_part_phys() · Mike Rapoport <rppt@kernel.org> · 2026-05-13
[PATCH 5/8] mm/bootmem_info: stop marking the pgdat as NODE_INFO · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-11
Re: [PATCH 5/8] mm/bootmem_info: stop marking the pgdat as NODE_INFO · Michal Hocko <mhocko@suse.com> · 2026-05-12
Re: [PATCH 5/8] mm/bootmem_info: stop marking the pgdat as NODE_INFO · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-12
Re: [PATCH 5/8] mm/bootmem_info: stop marking the pgdat as NODE_INFO · Oscar Salvador <osalvador@suse.de> · 2026-05-12
Re: [PATCH 5/8] mm/bootmem_info: stop marking the pgdat as NODE_INFO · Mike Rapoport <rppt@kernel.org> · 2026-05-13
Re: [PATCH 5/8] mm/bootmem_info: stop marking the pgdat as NODE_INFO · Lance Yang <lance.yang@linux.dev> · 2026-05-20
[PATCH 6/8] mm/bootmem_info: stop marking mem_section_usage as MIX_SECTION_INFO · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-11
Re: [PATCH 6/8] mm/bootmem_info: stop marking mem_section_usage as MIX_SECTION_INFO · Oscar Salvador <osalvador@suse.de> · 2026-05-12
Re: [PATCH 6/8] mm/bootmem_info: stop marking mem_section_usage as MIX_SECTION_INFO · Mike Rapoport <rppt@kernel.org> · 2026-05-13
Re: [PATCH 6/8] mm/bootmem_info: stop marking mem_section_usage as MIX_SECTION_INFO · Lance Yang <lance.yang@linux.dev> · 2026-05-21
[PATCH 7/8] s390/mm: use free_reserved_page() in vmem_free_pages() · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-11
Re: [PATCH 7/8] s390/mm: use free_reserved_page() in vmem_free_pages() · Heiko Carstens <hca@linux.ibm.com> · 2026-05-11
Re: [PATCH 7/8] s390/mm: use free_reserved_page() in vmem_free_pages() · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-11
Re: [PATCH 7/8] s390/mm: use free_reserved_page() in vmem_free_pages() · Heiko Carstens <hca@linux.ibm.com> · 2026-05-11
Re: [PATCH 7/8] s390/mm: use free_reserved_page() in vmem_free_pages() · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-11
Re: [PATCH 7/8] s390/mm: use free_reserved_page() in vmem_free_pages() · Oscar Salvador <osalvador@suse.de> · 2026-05-12
Re: [PATCH 7/8] s390/mm: use free_reserved_page() in vmem_free_pages() · Mike Rapoport <rppt@kernel.org> · 2026-05-13
Re: [PATCH 7/8] s390/mm: use free_reserved_page() in vmem_free_pages() · Lance Yang <lance.yang@linux.dev> · 2026-05-21
[PATCH 8/8] powerpc/mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-11
Re: [PATCH 8/8] powerpc/mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE · Oscar Salvador <osalvador@suse.de> · 2026-05-12
Re: [PATCH 8/8] powerpc/mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE · Ritesh Harjani (IBM) <ritesh.list@gmail.com> · 2026-05-13
Re: [PATCH 8/8] powerpc/mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE · Mike Rapoport <rppt@kernel.org> · 2026-05-13
Re: [PATCH 8/8] powerpc/mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE · Lance Yang <lance.yang@linux.dev> · 2026-05-21
Re: [PATCH 0/8] mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE (Part 1) · Michal Hocko <mhocko@suse.com> · 2026-05-12
Re: [PATCH 0/8] mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE (Part 1) · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-12
Re: [PATCH 0/8] mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE (Part 1) · Oscar Salvador <osalvador@suse.de> · 2026-05-12
Re: [PATCH 0/8] mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE (Part 1) · "David Hildenbrand (Arm)" <david@kernel.org> · 2026-05-12

From: Oscar Salvador <osalvador@suse.de>
Date: 2026-05-12 08:37:31
Also in: linux-mm, linux-s390, lkml, sparclinux

On Mon, May 11, 2026 at 04:05:34PM +0200, David Hildenbrand (Arm) wrote:

We never free the ms->usage data for boot memory sections (see
section_deactivate()). And to identify whether ms->usage was allocated
from memblock, we simply identify it by looking at PG_reserved.

Consequently, there is no need to mark ms->usage as MIX_SECTION_INFO.
Let's just stop doing that.

Signed-off-by: David Hildenbrand (Arm) <david@kernel.org>

Acked-by: Oscar Salvador <osalvador@suse.de>

 

-- 
Oscar Salvador
SUSE Labs

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