From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 26C5DC32771 for ; Tue, 27 Sep 2022 02:54:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229453AbiI0CyG (ORCPT ); Mon, 26 Sep 2022 22:54:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58732 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229734AbiI0CwD (ORCPT ); Mon, 26 Sep 2022 22:52:03 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 21DFAE6 for ; Mon, 26 Sep 2022 19:49:37 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 93859B81923 for ; Tue, 27 Sep 2022 02:49:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 479B0C43470; Tue, 27 Sep 2022 02:49:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1664246974; bh=V/j9MutvLP686gKkBsFLM/MPMDf+F35VSn0Mc1HiO2A=; h=Date:To:From:Subject:From; b=Je0rYLB/R1rFgybqi5zxZqd73H6NpFHYNrzpkq1l3ScC/rlHROyeHTCU/NXPWmoVU CMuVZ0IMbptgLfO4SbI7JxAuOvqw2htJBbiuMmLtpUHdVm0vz/v9QcvpTGNMMTFKnl h1q9TPCr0kfWbKPP/h/4gKNvkj92NsmbQ9IXu5uU= Date: Mon, 26 Sep 2022 19:49:33 -0700 To: mm-commits@vger.kernel.org, yuzhao@google.com, will@kernel.org, vbabka@suse.cz, svens@linux.ibm.com, sj@kernel.org, Liam.Howlett@Oracle.com, dhowells@redhat.com, david@redhat.com, dave@stgolabs.net, catalin.marinas@arm.com, willy@infradead.org, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] perf-use-vma-iterator.patch removed from -mm tree Message-Id: <20220927024934.479B0C43470@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The quilt patch titled Subject: perf: use VMA iterator has been removed from the -mm tree. Its filename was perf-use-vma-iterator.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: "Matthew Wilcox (Oracle)" Subject: perf: use VMA iterator Date: Tue, 6 Sep 2022 19:48:58 +0000 The VMA iterator is faster than the linked list and removing the linked list will shrink the vm_area_struct. Link: https://lkml.kernel.org/r/20220906194824.2110408-48-Liam.Howlett@oracle.com Signed-off-by: Matthew Wilcox (Oracle) Signed-off-by: Liam R. Howlett Acked-by: Vlastimil Babka Reviewed-by: Davidlohr Bueso Tested-by: Yu Zhao Cc: Catalin Marinas Cc: David Hildenbrand Cc: David Howells Cc: SeongJae Park Cc: Sven Schnelle Cc: Will Deacon Signed-off-by: Andrew Morton --- kernel/events/core.c | 3 ++- kernel/events/uprobes.c | 9 ++++++--- 2 files changed, 8 insertions(+), 4 deletions(-) --- a/kernel/events/core.c~perf-use-vma-iterator +++ a/kernel/events/core.c @@ -10229,8 +10229,9 @@ static void perf_addr_filter_apply(struc struct perf_addr_filter_range *fr) { struct vm_area_struct *vma; + VMA_ITERATOR(vmi, mm, 0); - for (vma = mm->mmap; vma; vma = vma->vm_next) { + for_each_vma(vmi, vma) { if (!vma->vm_file) continue; --- a/kernel/events/uprobes.c~perf-use-vma-iterator +++ a/kernel/events/uprobes.c @@ -349,9 +349,10 @@ static bool valid_ref_ctr_vma(struct upr static struct vm_area_struct * find_ref_ctr_vma(struct uprobe *uprobe, struct mm_struct *mm) { + VMA_ITERATOR(vmi, mm, 0); struct vm_area_struct *tmp; - for (tmp = mm->mmap; tmp; tmp = tmp->vm_next) + for_each_vma(vmi, tmp) if (valid_ref_ctr_vma(uprobe, tmp)) return tmp; @@ -1231,11 +1232,12 @@ int uprobe_apply(struct inode *inode, lo static int unapply_uprobe(struct uprobe *uprobe, struct mm_struct *mm) { + VMA_ITERATOR(vmi, mm, 0); struct vm_area_struct *vma; int err = 0; mmap_read_lock(mm); - for (vma = mm->mmap; vma; vma = vma->vm_next) { + for_each_vma(vmi, vma) { unsigned long vaddr; loff_t offset; @@ -1983,9 +1985,10 @@ bool uprobe_deny_signal(void) static void mmf_recalc_uprobes(struct mm_struct *mm) { + VMA_ITERATOR(vmi, mm, 0); struct vm_area_struct *vma; - for (vma = mm->mmap; vma; vma = vma->vm_next) { + for_each_vma(vmi, vma) { if (!valid_vma(vma, false)) continue; /* _ Patches currently in -mm which might be from willy@infradead.org are mm-vmscan-fix-a-lot-of-comments.patch mm-add-the-first-tail-page-to-struct-folio.patch mm-reimplement-folio_order-and-folio_nr_pages.patch mm-add-split_folio.patch mm-add-folio_add_lru_vma.patch shmem-convert-shmem_writepage-to-use-a-folio-throughout.patch shmem-convert-shmem_delete_from_page_cache-to-take-a-folio.patch shmem-convert-shmem_replace_page-to-use-folios-throughout.patch mm-swapfile-remove-page_swapcount.patch mm-swapfile-convert-try_to_free_swap-to-folio_free_swap.patch mm-swap-convert-__read_swap_cache_async-to-use-a-folio.patch mm-swap-convert-add_to_swap_cache-to-take-a-folio.patch mm-swap-convert-put_swap_page-to-put_swap_folio.patch mm-convert-do_swap_page-to-use-a-folio.patch mm-convert-do_swap_pages-swapcache-variable-to-a-folio.patch memcg-convert-mem_cgroup_swapin_charge_page-to-mem_cgroup_swapin_charge_folio.patch shmem-convert-shmem_mfill_atomic_pte-to-use-a-folio.patch shmem-convert-shmem_replace_page-to-shmem_replace_folio.patch swap-add-swap_cache_get_folio.patch shmem-eliminate-struct-page-from-shmem_swapin_folio.patch shmem-convert-shmem_getpage_gfp-to-shmem_get_folio_gfp.patch shmem-convert-shmem_fault-to-use-shmem_get_folio_gfp.patch shmem-convert-shmem_read_mapping_page_gfp-to-use-shmem_get_folio_gfp.patch shmem-add-shmem_get_folio.patch shmem-convert-shmem_get_partial_folio-to-use-shmem_get_folio.patch shmem-convert-shmem_write_begin-to-use-shmem_get_folio.patch shmem-convert-shmem_file_read_iter-to-use-shmem_get_folio.patch shmem-convert-shmem_fallocate-to-use-a-folio.patch shmem-convert-shmem_symlink-to-use-a-folio.patch shmem-convert-shmem_get_link-to-use-a-folio.patch khugepaged-call-shmem_get_folio.patch userfaultfd-convert-mcontinue_atomic_pte-to-use-a-folio.patch shmem-remove-shmem_getpage.patch swapfile-convert-try_to_unuse-to-use-a-folio.patch swapfile-convert-__try_to_reclaim_swap-to-use-a-folio.patch swapfile-convert-unuse_pte_range-to-use-a-folio.patch mm-convert-do_swap_page-to-use-swap_cache_get_folio.patch mm-remove-lookup_swap_cache.patch swap_state-convert-free_swap_cache-to-use-a-folio.patch swap-convert-swap_writepage-to-use-a-folio.patch mm-convert-do_wp_page-to-use-a-folio.patch huge_memory-convert-do_huge_pmd_wp_page-to-use-a-folio.patch madvise-convert-madvise_free_pte_range-to-use-a-folio.patch uprobes-use-folios-more-widely-in-__replace_page.patch ksm-use-a-folio-in-replace_page.patch mm-convert-do_swap_page-to-use-folio_free_swap.patch memcg-convert-mem_cgroup_swap_full-to-take-a-folio.patch mm-remove-try_to_free_swap.patch rmap-convert-page_move_anon_rmap-to-use-a-folio.patch migrate-convert-__unmap_and_move-to-use-folios.patch migrate-convert-unmap_and_move_huge_page-to-use-folios.patch huge_memory-convert-split_huge_page_to_list-to-use-a-folio.patch huge_memory-convert-unmap_page-to-unmap_folio.patch mm-convert-page_get_anon_vma-to-folio_get_anon_vma.patch rmap-remove-page_unlock_anon_vma_read.patch uprobes-use-new_folio-in-__replace_page.patch mm-convert-lock_page_or_retry-to-folio_lock_or_retry.patch