[PATCH] fixup! mm/mm_init: add zone mismatch warning during page init
flat view
WARM2d
IN LINUX-NEXT
From: Muchun Song <hidden>
Date: 2026-10-10 11:55:41
Also in:
linux-mm, lkml
Subsystem:
memblock and memory management initialization, memory management, the rest · Maintainers:
Mike Rapoport, Andrew Morton, Linus Torvalds
Queued in linux-next as 5570d4ace60c on 2026-10-16.
Document the ordering of shared and retained struct page initialization. Signed-off-by: Muchun Song <redacted> --- mm/mm_init.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/mm/mm_init.c b/mm/mm_init.c
index 6deae33db882..4c17a892924d 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c@@ -618,6 +618,10 @@ void __meminit __init_single_page(struct page *page, unsigned long pfn, if (!is_highmem_idx(zone)) set_page_address(page, __va(pfn << PAGE_SHIFT)); #endif + /* + * Shared tail struct pages are initialized during vmemmap population, + * before retained struct pages reach here. + */ vmemmap_optimization_verify_zone(page); }
--
2.54.0