From: Miaohe Lin Date: Fri, 16 Sep 2022 07:22:57 +0000 (+0800) Subject: mm/page_alloc: fix obsolete comment in deferred_pfn_valid() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c9b3637f8a5a4c869f78c26773c559669796212f;p=linux.git mm/page_alloc: fix obsolete comment in deferred_pfn_valid() 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@huawei.com Signed-off-by: Miaohe Lin Reviewed-by: David Hildenbrand Reviewed-by: Anshuman Khandual Reviewed-by: Oscar Salvador Cc: Matthew Wilcox Signed-off-by: Andrew Morton --- diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 23f839e1d89e3..66f7778732fbd 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1929,11 +1929,7 @@ static inline void __init pgdat_init_report_one_done(void) /* * 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)