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 29AC7C38147 for ; Mon, 22 Aug 2022 19:22:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238592AbiHVTWG (ORCPT ); Mon, 22 Aug 2022 15:22:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47682 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238728AbiHVTVA (ORCPT ); Mon, 22 Aug 2022 15:21:00 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 31A851A05C for ; Mon, 22 Aug 2022 12:20:42 -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 D44F0B818B2 for ; Mon, 22 Aug 2022 19:20:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 588FFC433C1; Mon, 22 Aug 2022 19:20:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1661196039; bh=7S5evK44Jae9x0oqeocfL9BkDmC0YFQ3bFIidACGNyk=; h=Date:To:From:Subject:From; b=IBoqcM+Xx2tzy4dJnnZscBty1AM7RtPz0c9WkwlOv/bns3fi5/5it3OTLsZ+RP8Bm Gg7BqZfcy+7vgpl253jnZroFayPBqdH0ivoeRHqo51euAP/+TQ9yGGKIIgfkJ4FgnT 3BNp77OOav/8TFATPrjgegNC0WqzSsFpBh3RHzpo= Date: Mon, 22 Aug 2022 12:20:38 -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, catalin.marinas@arm.com, willy@infradead.org, akpm@linux-foundation.org From: Andrew Morton Subject: + parisc-remove-mmap-linked-list-from-cache-handling.patch added to mm-unstable branch Message-Id: <20220822192039.588FFC433C1@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: parisc: remove mmap linked list from cache handling has been added to the -mm mm-unstable branch. Its filename is parisc-remove-mmap-linked-list-from-cache-handling.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/parisc-remove-mmap-linked-list-from-cache-handling.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm 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 via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: "Matthew Wilcox (Oracle)" Subject: parisc: remove mmap linked list from cache handling Date: Mon, 22 Aug 2022 15:05:27 +0000 Use the VMA iterator instead. Link: https://lkml.kernel.org/r/20220822150128.1562046-33-Liam.Howlett@oracle.com Signed-off-by: Matthew Wilcox (Oracle) Signed-off-by: Liam R. Howlett Acked-by: Vlastimil Babka Cc: Catalin Marinas Cc: David Hildenbrand Cc: David Howells Cc: SeongJae Park Cc: Sven Schnelle Cc: Will Deacon Cc: Yu Zhao Signed-off-by: Andrew Morton --- arch/parisc/kernel/cache.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) --- a/arch/parisc/kernel/cache.c~parisc-remove-mmap-linked-list-from-cache-handling +++ a/arch/parisc/kernel/cache.c @@ -657,15 +657,20 @@ static inline unsigned long mm_total_siz { struct vm_area_struct *vma; unsigned long usize = 0; + VMA_ITERATOR(vmi, mm, 0); - for (vma = mm->mmap; vma && usize < parisc_cache_flush_threshold; vma = vma->vm_next) + for_each_vma(vmi, vma) { + if (usize >= parisc_cache_flush_threshold) + break; usize += vma->vm_end - vma->vm_start; + } return usize; } void flush_cache_mm(struct mm_struct *mm) { struct vm_area_struct *vma; + VMA_ITERATOR(vmi, mm, 0); /* * Flushing the whole cache on each cpu takes forever on @@ -685,7 +690,7 @@ void flush_cache_mm(struct mm_struct *mm } /* Flush mm */ - for (vma = mm->mmap; vma; vma = vma->vm_next) + for_each_vma(vmi, vma) flush_cache_pages(vma, vma->vm_start, vma->vm_end); } _ Patches currently in -mm which might be from willy@infradead.org are support-highmem-pages-in-vmap_pages_range_noflush.patch mm-add-vma-iterator.patch mmap-use-the-vma-iterator-in-count_vma_pages_range.patch proc-remove-vma-rbtree-use-from-nommu.patch arm64-remove-mmap-linked-list-from-vdso.patch parisc-remove-mmap-linked-list-from-cache-handling.patch powerpc-remove-mmap-linked-list-walks.patch s390-remove-vma-linked-list-walks.patch x86-remove-vma-linked-list-walks.patch xtensa-remove-vma-linked-list-walks.patch cxl-remove-vma-linked-list-walk.patch optee-remove-vma-linked-list-walk.patch um-remove-vma-linked-list-walk.patch coredump-remove-vma-linked-list-walk.patch exec-use-vma-iterator-instead-of-linked-list.patch fs-proc-task_mmu-stop-using-linked-list-and-highest_vm_end.patch acct-use-vma-iterator-instead-of-linked-list.patch perf-use-vma-iterator.patch sched-use-maple-tree-iterator-to-walk-vmas.patch fork-use-vma-iterator.patch mm-khugepaged-stop-using-vma-linked-list.patch mm-ksm-use-vma-iterators-instead-of-vma-linked-list.patch mm-mlock-use-vma-iterator-and-maple-state-instead-of-vma-linked-list.patch mm-pagewalk-use-vma_find-instead-of-vma-linked-list.patch i915-use-the-vma-iterator.patch nommu-remove-uses-of-vma-linked-list.patch