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Fri, 19 Mar 2021 03:13:21 -0700 (PDT) Received: from localhost.localdomain ([50.236.19.102]) by smtp.gmail.com with ESMTPSA id v19sm2372827ilj.60.2021.03.19.03.13.15 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 19 Mar 2021 03:13:21 -0700 (PDT) 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, lkp@intel.com, Yafang Shao Subject: [PATCH v6 resend 1/3] mm, slub: use pGp to print page flags Date: Fri, 19 Mar 2021 18:12:44 +0800 Message-Id: <20210319101246.73513-2-laoar.shao@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20210319101246.73513-1-laoar.shao@gmail.com> References: <20210319101246.73513-1-laoar.shao@gmail.com> MIME-Version: 1.0 X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 4E303E0001B4 X-Stat-Signature: 7imbbzuixkj57zcxkcks1pxbqwnyrsg7 Received-SPF: none (gmail.com>: No applicable sender policy available) receiver=imf21; identity=mailfrom; envelope-from=""; helo=mail-io1-f47.google.com; client-ip=209.85.166.47 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1616148802-340659 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: As pGp has been already introduced in printk, we'd better use it to make the output human readable. Before this change, the output is, [ 6155.716018] INFO: Slab 0x000000004027dd4f objects=3D33 used=3D3 fp=3D0= x000000008cd1579c flags=3D0x17ffffc0010200 While after this change, the output is, [ 8846.517809] INFO: Slab 0x00000000f42a2c60 objects=3D33 used=3D3 fp=3D0= x0000000060d32ca8 flags=3D0x17ffffc0010200(slab|head) Signed-off-by: Yafang Shao Reviewed-by: David Hildenbrand Reviewed-by: Vlastimil Babka Acked-by: David Rientjes Acked-by: Christoph Lameter Reviewed-by: Matthew Wilcox (Oracle) Reviewed-by: Miaohe Lin Reviewed-by: Andy Shevchenko --- mm/slub.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 3021ce9bf1b3..ed3f728c1367 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -650,8 +650,9 @@ 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=3D0x%04l= x\n", - page, page->objects, page->inuse, page->freelist, page->flags); + pr_err("INFO: 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 } =20 --=20 2.18.2