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[2620:137:e000::1:20]) by mx.google.com with ESMTP id f7-20020a170906824700b00991cbb3d4a6si83560ejx.115.2023.07.19.21.14.52; Wed, 19 Jul 2023 21:15:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229960AbjGTDxe (ORCPT + 99 others); Wed, 19 Jul 2023 23:53:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50022 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229592AbjGTDxY (ORCPT ); Wed, 19 Jul 2023 23:53:24 -0400 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9AF491FF9 for ; Wed, 19 Jul 2023 20:53:22 -0700 (PDT) Received: from mail02.huawei.com (unknown [172.30.67.143]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4R5zLQ6spsz4f3pJg for ; Thu, 20 Jul 2023 11:53:18 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.124.27]) by APP2 (Coremail) with SMTP id Syh0CgC3q+mtr7hk4qk0OQ--.49914S5; Thu, 20 Jul 2023 11:53:19 +0800 (CST) From: Kemeng Shi To: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: shikemeng@huaweicloud.com Subject: [PATCH 2/2] mm/compaction: avoid unneeded pageblock_end_pfn when no_set_skip_hint is set Date: Thu, 20 Jul 2023 19:53:51 +0800 Message-Id: <20230720115351.2039431-4-shikemeng@huaweicloud.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20230720115351.2039431-1-shikemeng@huaweicloud.com> References: <20230720115351.2039431-1-shikemeng@huaweicloud.com> MIME-Version: 1.0 X-CM-TRANSID: Syh0CgC3q+mtr7hk4qk0OQ--.49914S5 X-Coremail-Antispam: 1UD129KBjvdXoWruw4kWFykZFy7Wr4rCr4xCrg_yoWfJrgEqw 48trs0ywn0yF1vvrsrZw4ayrWjgFWDAF17K3WktrW2yF92y3Wvvw1DZw13urnxXa9rWwnx Ww1kZF1DGFya9jkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbqAYFVCjjxCrM7AC8VAFwI0_Xr0_Wr1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l87I20VAvwVAaII0Ic2I_JFv_Gryl82 xGYIkIc2x26280x7IE14v26r1rM28IrcIa0xkI8VCY1x0267AKxVW8JVW5JwA2ocxC64kI II0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26w1j6s0DM28EF7 xvwVC0I7IYx2IY6xkF7I0E14v26r4UJVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2 z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4 xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v2 6r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6I AqYI8I648v4I1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAq x4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r 1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF 7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxV WUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjTR QSdDUUUUU X-CM-SenderInfo: 5vklyvpphqwq5kxd4v5lfo033gof0z/ X-CFilter-Loop: Reflected X-Spam-Status: No, score=0.0 required=5.0 tests=BAYES_00,DATE_IN_FUTURE_06_12, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771911528663730375 X-GMAIL-MSGID: 1771911528663730375 Move pageblock_end_pfn after no_set_skip_hint check to avoid unneeded pageblock_end_pfn if no_set_skip_hint is set. Signed-off-by: Kemeng Shi Reviewed-by: Baolin Wang --- mm/compaction.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index c0d8d08fc163..9b7a0a69e19f 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -458,12 +458,12 @@ static void update_cached_migrate(struct compact_control *cc, unsigned long pfn) { struct zone *zone = cc->zone; - pfn = pageblock_end_pfn(pfn); - /* Set for isolation rather than compaction */ if (cc->no_set_skip_hint) return; + pfn = pageblock_end_pfn(pfn); + if (pfn > zone->compact_cached_migrate_pfn[0]) zone->compact_cached_migrate_pfn[0] = pfn; if (cc->mode != MIGRATE_ASYNC &&