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 05F1DC0015E for ; Thu, 27 Jul 2023 17:12:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231749AbjG0RMK (ORCPT ); Thu, 27 Jul 2023 13:12:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232252AbjG0RMH (ORCPT ); Thu, 27 Jul 2023 13:12:07 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2391E30ED for ; Thu, 27 Jul 2023 10:12:02 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id AAE8F61EF3 for ; Thu, 27 Jul 2023 17:12:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 00799C433C8; Thu, 27 Jul 2023 17:12:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1690477921; bh=2xcTdiCDCZffYVxy6TQ3xz8/9oDulzIMmAsI1u6rFnk=; h=Date:To:From:Subject:From; b=y5W7fsxfvYjdOORKfSVu+PmXc2uZw35boFhAf9OBExN0+yxdt7idBXZKV9mBI+u25 tKh9EXavLnOlikGq94vAsUqkyY32IoullSr0fT8R7GnRTHPdiMi7p/XsHFTlFL0KCs hNbDC/B2OI0vgJGQqKGihL6NC6RAIrTpgcobvaNc= Date: Thu, 27 Jul 2023 10:11:59 -0700 To: mm-commits@vger.kernel.org, wangkefeng.wang@huawei.com, sunnanyong@huawei.com, glider@google.com, elver@google.com, dvyukov@google.com, zhangpeng362@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-kmsan-use-helper-function-page_size.patch added to mm-unstable branch Message-Id: <20230727171201.00799C433C8@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: mm: kmsan: use helper function page_size() has been added to the -mm mm-unstable branch. Its filename is mm-kmsan-use-helper-function-page_size.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-kmsan-use-helper-function-page_size.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: ZhangPeng Subject: mm: kmsan: use helper function page_size() Date: Thu, 27 Jul 2023 09:16:10 +0800 Patch series "minor cleanups for kmsan". Use helper function and macros to improve code readability. No functional modification involved. This patch (of 3): Use function page_size() to improve code readability. No functional modification involved. Link: https://lkml.kernel.org/r/20230727011612.2721843-1-zhangpeng362@huawei.com Link: https://lkml.kernel.org/r/20230727011612.2721843-2-zhangpeng362@huawei.com Signed-off-by: ZhangPeng Cc: Alexander Potapenko Cc: Dmitry Vyukov Cc: Kefeng Wang Cc: Marco Elver Cc: Nanyong Sun Signed-off-by: Andrew Morton --- mm/kmsan/hooks.c | 2 +- mm/kmsan/shadow.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/mm/kmsan/hooks.c~mm-kmsan-use-helper-function-page_size +++ a/mm/kmsan/hooks.c @@ -117,7 +117,7 @@ void kmsan_kfree_large(const void *ptr) page = virt_to_head_page((void *)ptr); KMSAN_WARN_ON(ptr != page_address(page)); kmsan_internal_poison_memory((void *)ptr, - PAGE_SIZE << compound_order(page), + page_size(page), GFP_KERNEL, KMSAN_POISON_CHECK | KMSAN_POISON_FREE); kmsan_leave_runtime(); --- a/mm/kmsan/shadow.c~mm-kmsan-use-helper-function-page_size +++ a/mm/kmsan/shadow.c @@ -210,7 +210,7 @@ void kmsan_free_page(struct page *page, return; kmsan_enter_runtime(); kmsan_internal_poison_memory(page_address(page), - PAGE_SIZE << compound_order(page), + page_size(page), GFP_KERNEL, KMSAN_POISON_CHECK | KMSAN_POISON_FREE); kmsan_leave_runtime(); _ Patches currently in -mm which might be from zhangpeng362@huawei.com are mm-use-a-folio-in-fault_dirty_shared_page.patch mm-remove-page_rmapping.patch mm-page_io-remove-unneeded-clearpageuptodate.patch mm-page_io-remove-unneeded-setpageerror.patch mm-page_io-introduce-bio_first_folio_all.patch mm-page_io-use-a-folio-in-__end_swap_bio_write.patch mm-page_io-use-a-folio-in-__end_swap_bio_read.patch mm-page_io-use-a-folio-in-sio_read_complete.patch mm-page_io-use-a-folio-in-swap_writepage_bdev_sync.patch mm-page_io-use-a-folio-in-swap_writepage_bdev_async.patch mm-page_io-convert-count_swpout_vm_event-to-take-in-a-folio.patch mm-page_io-convert-bio_associate_blkg_from_page-to-take-in-a-folio.patch mm-kmsan-use-helper-function-page_size.patch mm-kmsan-use-helper-macro-offset_in_page.patch mm-kmsan-use-helper-macros-page_align-and-page_align_down.patch