The quilt patch titled Subject: fs/proc/page: remove unneeded PageTail && PageSlab check has been removed from the -mm tree. Its filename was fs-proc-page-remove-unneeded-pagetail-pageslab-check.patch This patch was dropped because it was nacked ------------------------------------------------------ From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> Subject: fs/proc/page: remove unneeded PageTail && PageSlab check Date: Fri, 10 Nov 2023 11:33:18 +0800 Patch series "mm: remove page idle and young wrapper", v2. Convert to use folio idle and young functions instead of page ones, then remove all page idle and young wrapper. This patch (of 7): After commit dcb351cd095a ("page-flags: define behavior SL*B-related flags on compound pages"), the slab could not be a tail, remove unneeded PageTail && PageSlab check. Link: https://lkml.kernel.org/r/20231110033324.2455523-1-wangkefeng.wang@xxxxxxxxxx Link: https://lkml.kernel.org/r/20231110033324.2455523-2-wangkefeng.wang@xxxxxxxxxx Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Gregory Price <gregory.price@xxxxxxxxxxxx> Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/proc/page.c | 3 --- 1 file changed, 3 deletions(-) --- a/fs/proc/page.c~fs-proc-page-remove-unneeded-pagetail-pageslab-check +++ a/fs/proc/page.c @@ -184,9 +184,6 @@ u64 stable_page_flags(struct page *page) u |= kpf_copy_bit(k, KPF_LOCKED, PG_locked); u |= kpf_copy_bit(k, KPF_SLAB, PG_slab); - if (PageTail(page) && PageSlab(page)) - u |= 1 << KPF_SLAB; - u |= kpf_copy_bit(k, KPF_ERROR, PG_error); u |= kpf_copy_bit(k, KPF_DIRTY, PG_dirty); u |= kpf_copy_bit(k, KPF_UPTODATE, PG_uptodate); _ Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are fs-proc-page-use-a-folio-in-stable_page_flags.patch fs-proc-page-respect-folio-head-page-flag-placement.patch mm-huge_memory-use-more-folio-api-in-__split_huge_page_tail.patch mm-task_mmu-use-a-folio-in-smaps_account.patch mm-task_mmu-use-a-folio-in-clear_refs_pte_range.patch page_idle-kill-page-idle-and-young-wrapper.patch