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 X-Spam-Level: X-Spam-Status: No, score=-13.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B7716C433DB for ; Mon, 15 Feb 2021 15:53:17 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 58F3B64DE0 for ; Mon, 15 Feb 2021 15:53:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 58F3B64DE0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D41B18D011B; Mon, 15 Feb 2021 10:53:16 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id CF2998D00FD; Mon, 15 Feb 2021 10:53:16 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C06DE8D011B; Mon, 15 Feb 2021 10:53:16 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0080.hostedemail.com [216.40.44.80]) by kanga.kvack.org (Postfix) with ESMTP id A88C98D00FD for ; Mon, 15 Feb 2021 10:53:16 -0500 (EST) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 72FA018022BE1 for ; Mon, 15 Feb 2021 15:53:16 +0000 (UTC) X-FDA: 77820946392.20.feast93_0d039532763c Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin20.hostedemail.com (Postfix) with ESMTP id 503C91810DA51 for ; Mon, 15 Feb 2021 15:53:16 +0000 (UTC) X-HE-Tag: feast93_0d039532763c X-Filterd-Recvd-Size: 6057 Received: from mail-pl1-f181.google.com (mail-pl1-f181.google.com [209.85.214.181]) by imf25.hostedemail.com (Postfix) with ESMTP for ; Mon, 15 Feb 2021 15:53:15 +0000 (UTC) Received: by mail-pl1-f181.google.com with SMTP id f8so2353702plg.5 for ; Mon, 15 Feb 2021 07:53:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3e9p58enmPrHBj/qg6RhNzmlmUNgPoZWys+AfRFnkts=; b=RnWdyHBEmyUOIzHTTr0e0/OcEI4j2IT49LUcBBXYa/fsvM9ONHWMAwC2ek2w5jT1ne XjkgbNP4o5aj+ps3vJPS01bxUiSEebUfH1A2OUPv/7+gL92Jekmx0M7y/H9fyBp9N2TW IppdiI7upRht+jJOSaxlOgTVz9H4UCu/2gyo/tl+Lve+AXGXv/R9ZxNUbKJ4b2/l5aAS NZ5FKnJzptAXI1862MlAStC0MifUhGqqTxdr9wWvKcirpK1M2w3XQKSeS/6q1QUDSNRZ 2ssx74blDE7G6YilTwd76L+P43mdDv+ZoyASCdklIcqWlTuhjEOpZPvsBhDYzwjl6YQV eVFA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3e9p58enmPrHBj/qg6RhNzmlmUNgPoZWys+AfRFnkts=; b=DsNbM7BN0g6Qv9u51Gq1ABnk6S8Va6zRdIyqxJ81wV1tdtKXqvErX5lVjyjxUIhrg8 ZHrqTd0z7gAnSjxFlpNwCsiz3HtfJZ8xg/R6Tt9upFLjlsc60YyeSSliV7RYd3Pr3F+h WGQVy5tTD1rfU1mf+OxUz2CJyBhT8sJIzCOANR2NDSXaqHT7VDz+jYt6MZw5cobtCbT5 MppqEMz9v+E79Ky8jeV7BxFnrj+WRFdQZ9hchL4L3/tIC2Exy1Nw+mtH9OGraDZRfpAh JXDDx6KEr4UqO0izLA3eIPRUsU7Y0aT6WzA9u7wSnSD5CiJwn48HuDXcdSm7uwE4zxeB UoeQ== X-Gm-Message-State: AOAM530mGI311JGLi8lQPaqoGPi6JWiWfykeviW8m0ak4e5AIcRiCEUg 0nQgOit89wLqhb4PwSR2nZc= X-Google-Smtp-Source: ABdhPJzs7iQp8Bu1myc2lzmtjCMtr7xo0mUxbPVeN24kaQ8+zyXdHKQ6o9EGAkDlxKD+0n+nSfGkEA== X-Received: by 2002:a17:90a:4a0d:: with SMTP id e13mr16271613pjh.96.1613404394549; Mon, 15 Feb 2021 07:53:14 -0800 (PST) Received: from localhost.localdomain ([50.236.19.102]) by smtp.gmail.com with ESMTPSA id i1sm19771215pfq.158.2021.02.15.07.53.07 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 15 Feb 2021 07:53:14 -0800 (PST) From: Yafang Shao To: pmladek@suse.com, willy@infradead.org, andriy.shevchenko@linux.intel.com, david@redhat.com, linmiaohe@huawei.com, vbabka@suse.cz, cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, rostedt@goodmis.org, sergey.senozhatsky@gmail.com, joe@perches.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yafang Shao Subject: [PATCH v5 2/3] mm, slub: don't combine pr_err with INFO Date: Mon, 15 Feb 2021 23:51:40 +0800 Message-Id: <20210215155141.47432-3-laoar.shao@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20210215155141.47432-1-laoar.shao@gmail.com> References: <20210215155141.47432-1-laoar.shao@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: It is strange to combine "pr_err" with "INFO", so let's remove the prefix completely. This patch is motivated by David's comment[1]. - before the patch [ 8846.517809] INFO: Slab 0x00000000f42a2c60 objects=3D33 used=3D3 fp=3D0= x0000000060d32ca8 flags=3D0x17ffffc0010200(slab|head) - after the patch [ 6343.396602] Slab 0x000000004382e02b objects=3D33 used=3D3 fp=3D0x00000= 0009ae06ffc flags=3D0x17ffffc0010200(slab|head) [1]. https://lore.kernel.org/linux-mm/b9c0f2b6-e9b0-0c36-ebdd-2bc684c5a76= 2@redhat.com/#t Suggested-by: Vlastimil Babka Signed-off-by: Yafang Shao Acked-by: Vlastimil Babka Reviewed-by: Miaohe Lin Reviewed-by: Andy Shevchenko Reviewed-by: David Hildenbrand Cc: Matthew Wilcox --- mm/slub.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index ddd429832577..d66a7ebd21fe 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -615,7 +615,7 @@ static void print_track(const char *s, struct track *= t, unsigned long pr_time) if (!t->addr) return; =20 - pr_err("INFO: %s in %pS age=3D%lu cpu=3D%u pid=3D%d\n", + pr_err("%s in %pS age=3D%lu cpu=3D%u pid=3D%d\n", s, (void *)t->addr, pr_time - t->when, t->cpu, t->pid); #ifdef CONFIG_STACKTRACE { @@ -641,7 +641,7 @@ void print_tracking(struct kmem_cache *s, void *objec= t) =20 static void print_page_info(struct page *page) { - pr_err("INFO: Slab 0x%p objects=3D%u used=3D%u fp=3D0x%p flags=3D%#lx(%= pGp)\n", + pr_err("Slab 0x%p objects=3D%u used=3D%u fp=3D0x%p flags=3D%#lx(%pGp)\n= ", page, page->objects, page->inuse, page->freelist, page->flags, &page->flags); =20 @@ -698,7 +698,7 @@ static void print_trailer(struct kmem_cache *s, struc= t page *page, u8 *p) =20 print_page_info(page); =20 - pr_err("INFO: Object 0x%p @offset=3D%tu fp=3D0x%p\n\n", + pr_err("Object 0x%p @offset=3D%tu fp=3D0x%p\n\n", p, p - addr, get_freepointer(s, p)); =20 if (s->flags & SLAB_RED_ZONE) @@ -791,7 +791,7 @@ static int check_bytes_and_report(struct kmem_cache *= s, struct page *page, end--; =20 slab_bug(s, "%s overwritten", what); - pr_err("INFO: 0x%p-0x%p @offset=3D%tu. First byte 0x%x instead of 0x%x\= n", + pr_err("0x%p-0x%p @offset=3D%tu. First byte 0x%x instead of 0x%x\n", fault, end - 1, fault - addr, fault[0], value); print_trailer(s, page, object); @@ -3855,7 +3855,7 @@ static void list_slab_objects(struct kmem_cache *s,= struct page *page, for_each_object(p, s, addr, page->objects) { =20 if (!test_bit(__obj_to_index(s, addr, p), map)) { - pr_err("INFO: Object 0x%p @offset=3D%tu\n", p, p - addr); + pr_err("Object 0x%p @offset=3D%tu\n", p, p - addr); print_tracking(s, p); } } --=20 2.18.2