The patch titled Subject: mm/page_owner: use helper function zone_end_pfn() to get end_pfn has been added to the -mm tree. Its filename is mm-page_owner-use-helper-function-zone_end_pfn-to-get-end_pfn.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-page_owner-use-helper-function-zone_end_pfn-to-get-end_pfn.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-page_owner-use-helper-function-zone_end_pfn-to-get-end_pfn.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: mm/page_owner: use helper function zone_end_pfn() to get end_pfn Commit 108bcc96ef70 ("mm: add & use zone_end_pfn() and zone_spans_pfn()") introduced the helper zone_end_pfn() to calculate the zone end pfn. But pagetypeinfo_showmixedcount_print forgot to use it. And the initialization of local variable pfn is duplicated, remove one. Link: https://lkml.kernel.org/r/20210123070538.5861-1-linmiaohe@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_owner.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/page_owner.c~mm-page_owner-use-helper-function-zone_end_pfn-to-get-end_pfn +++ a/mm/page_owner.c @@ -263,8 +263,8 @@ void pagetypeinfo_showmixedcount_print(s struct page *page; struct page_ext *page_ext; struct page_owner *page_owner; - unsigned long pfn = zone->zone_start_pfn, block_end_pfn; - unsigned long end_pfn = pfn + zone->spanned_pages; + unsigned long pfn, block_end_pfn; + unsigned long end_pfn = zone_end_pfn(zone); unsigned long count[MIGRATE_TYPES] = { 0, }; int pageblock_mt, page_mt; int i; _ Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are mm-page_owner-use-helper-function-zone_end_pfn-to-get-end_pfn.patch mm-hugetlb-fix-potential-double-free-in-hugetlb_register_node-error-path.patch mm-hugetlb-avoid-unnecessary-hugetlb_acct_memory-call.patch mm-hugetlb-use-helper-huge_page_order-and-pages_per_huge_page.patch mm-workingsetc-avoid-unnecessary-max_nodes-estimation-in-count_shadow_nodes.patch z3fold-remove-unused-attribute-for-release_z3fold_page.patch z3fold-simplify-the-zhdr-initialization-code-in-init_z3fold_page.patch mm-compaction-remove-duplicated-vm_bug_on_page-pagelocked.patch hugetlbfs-remove-useless-bug_oninode-in-hugetlbfs_setattr.patch hugetlbfs-use-helper-macro-default_hstate-in-init_hugetlbfs_fs.patch hugetlbfs-correct-obsolete-function-name-in-hugetlbfs_read_iter.patch hugetlbfs-remove-meaningless-variable-avoid_reserve.patch mm-rmap-correct-some-obsolete-comments-of-anon_vma.patch mm-zsmallocc-convert-to-use-kmem_cache_zalloc-in-cache_alloc_zspage.patch