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 2489AC25B0F for ; Mon, 15 Aug 2022 00:06:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229506AbiHOAGE (ORCPT ); Sun, 14 Aug 2022 20:06:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229733AbiHOAGD (ORCPT ); Sun, 14 Aug 2022 20:06:03 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1964CE0D8 for ; Sun, 14 Aug 2022 17:06:02 -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 CCFB2B80B3C for ; Mon, 15 Aug 2022 00:06:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6CDD8C433C1; Mon, 15 Aug 2022 00:05:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1660521959; bh=dVNCz+SJmF03HT0uUc3p/LzTIOSccTYyBHN8dVB8oQI=; h=Date:To:From:Subject:From; b=iHNb2tvhcXY//3ZFq1ix+vej5H1o7K1J62uXWRcMcc/wksrbMOymzsYctCFPV18dP 9IoXDpvJtLYKdlAASHpzZW8kdUa9/t9CXSOg/33ooayuKiaZ3QkqSQvTvd2ECMyOnj paU23fFWeDkr/IQ6RzcMww/Fhx8PIcgd84ovl/f8= Date: Sun, 14 Aug 2022 17:05:58 -0700 To: mm-commits@vger.kernel.org, mike.kravetz@oracle.com, almasrymina@google.com, linmiaohe@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: + hugetlb_cgroup-remove-unneeded-nr_pages-0-check.patch added to mm-unstable branch Message-Id: <20220815000559.6CDD8C433C1@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: hugetlb_cgroup: remove unneeded nr_pages > 0 check has been added to the -mm mm-unstable branch. Its filename is hugetlb_cgroup-remove-unneeded-nr_pages-0-check.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/hugetlb_cgroup-remove-unneeded-nr_pages-0-check.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: Miaohe Lin Subject: hugetlb_cgroup: remove unneeded nr_pages > 0 check Date: Fri, 29 Jul 2022 16:01:02 +0800 Patch series "A few cleanup patches for hugetlb_cgroup", v2. This series contains a few cleaup patches to remove unneeded check, use helper macro, remove unneeded return value and so on. More details can be found in the respective changelogs. This patch (of 5): When code reaches here, nr_pages must be > 0. Remove unneeded nr_pages > 0 check to simplify the code. Link: https://lkml.kernel.org/r/20220729080106.12752-1-linmiaohe@huawei.com Link: https://lkml.kernel.org/r/20220729080106.12752-2-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Reviewed-by: Mina Almasry Cc: Mike Kravetz Signed-off-by: Andrew Morton --- mm/hugetlb_cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/hugetlb_cgroup.c~hugetlb_cgroup-remove-unneeded-nr_pages-0-check +++ a/mm/hugetlb_cgroup.c @@ -442,7 +442,7 @@ void hugetlb_cgroup_uncharge_file_region if (hugetlb_cgroup_disabled() || !resv || !rg || !nr_pages) return; - if (rg->reservation_counter && resv->pages_per_hpage && nr_pages > 0 && + if (rg->reservation_counter && resv->pages_per_hpage && !resv->reservation_counter) { page_counter_uncharge(rg->reservation_counter, nr_pages * resv->pages_per_hpage); _ Patches currently in -mm which might be from linmiaohe@huawei.com are mm-hugetlb-avoid-corrupting-page-mapping-in-hugetlb_mcopy_atomic_pte.patch mm-page_alloc-minor-clean-up-for-memmap_init_compound.patch hugetlb_cgroup-remove-unneeded-nr_pages-0-check.patch hugetlb_cgroup-hugetlbfs-use-helper-macro-sz_1kmg.patch hugetlb_cgroup-remove-unneeded-return-value.patch hugetlb_cgroup-use-helper-macro-numa_no_node.patch hugetlb_cgroup-use-helper-for_each_hstate-and-hstate_index.patch