From 8b7b85384fad6e21e8a28628e7ebacb5a6329de4 Mon Sep 17 00:00:00 2001 From: "Mike Rapoport (Microsoft)" Date: Mon, 23 Mar 2026 09:20:42 +0200 Subject: memblock: move reserve_bootmem_range() to memblock.c and make it static reserve_bootmem_region() is only called from memmap_init_reserved_pages() and it was in mm/mm_init.c because of its dependecies on static init_deferred_page(). Since init_deferred_page() is not static anymore, move reserve_bootmem_region(), rename it to memmap_init_reserved_range() and make it static. Update the comment describing it to better reflect what the function does and drop bogus comment about reserved pages in free_bootmem_page(). Update memblock test stubs to reflect the core changes. Reviewed-by: Lorenzo Stoakes (Oracle) Reviewed-by: David Hildenbrand (Arm) Link: https://patch.msgid.link/20260323072042.3651061-1-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) --- include/linux/bootmem_info.h | 4 ---- include/linux/mm.h | 3 --- 2 files changed, 7 deletions(-) (limited to 'include/linux') diff --git a/include/linux/bootmem_info.h b/include/linux/bootmem_info.h index 4c506e76a808..492ceeb1cdf8 100644 --- a/include/linux/bootmem_info.h +++ b/include/linux/bootmem_info.h @@ -44,10 +44,6 @@ static inline void free_bootmem_page(struct page *page) { enum bootmem_type type = bootmem_type(page); - /* - * The reserve_bootmem_region sets the reserved flag on bootmem - * pages. - */ VM_BUG_ON_PAGE(page_ref_count(page) != 2, page); if (type == SECTION_INFO || type == MIX_SECTION_INFO) diff --git a/include/linux/mm.h b/include/linux/mm.h index abb4963c1f06..764d10fdfb5d 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -3686,9 +3686,6 @@ extern unsigned long free_reserved_area(void *start, void *end, extern void adjust_managed_page_count(struct page *page, long count); -extern void reserve_bootmem_region(phys_addr_t start, - phys_addr_t end, int nid); - /* Free the reserved page into the buddy system, so it gets managed. */ void free_reserved_page(struct page *page); -- cgit v1.2.3