The quilt patch titled Subject: mm/page_alloc: fix obsolete comment in deferred_pfn_valid() has been removed from the -mm tree. Its filename was mm-page_alloc-fix-obsolete-comment-in-deferred_pfn_valid.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: mm/page_alloc: fix obsolete comment in deferred_pfn_valid() Date: Fri, 16 Sep 2022 15:22:57 +0800 There are no architectures that can have holes in the memory map within a pageblock since commit 859a85ddf90e ("mm: remove pfn_valid_within() and CONFIG_HOLES_IN_ZONE"). Update the corresponding comment. Link: https://lkml.kernel.org/r/20220916072257.9639-17-linmiaohe@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_alloc.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) --- a/mm/page_alloc.c~mm-page_alloc-fix-obsolete-comment-in-deferred_pfn_valid +++ a/mm/page_alloc.c @@ -1929,11 +1929,7 @@ static inline void __init pgdat_init_rep /* * Returns true if page needs to be initialized or freed to buddy allocator. * - * First we check if pfn is valid on architectures where it is possible to have - * holes within pageblock_nr_pages. On systems where it is not possible, this - * function is optimized out. - * - * Then, we check if a current large page is valid by only checking the validity + * We check if a current large page is valid by only checking the validity * of the head pfn. */ static inline bool __init deferred_pfn_valid(unsigned long pfn) _ Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are