linux-kernel - Re: [PATCH v3 1/3] mm, slub: use pGp to print page flags

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Date:   Mon, 8 Feb 2021 12:21:25 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Yafang Shao <laoar.shao@...il.com>
Cc:     andriy.shevchenko@...ux.intel.com, david@...hat.com,
        vbabka@...e.cz, cl@...ux.com, linmiaohe@...wei.com,
        penberg@...nel.org, rientjes@...gle.com, iamjoonsoo.kim@....com,
        akpm@...ux-foundation.org, pmladek@...e.com, rostedt@...dmis.org,
        sergey.senozhatsky@...il.com, joe@...ches.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] mm, slub: use pGp to print page flags

On Mon, Feb 08, 2021 at 06:14:37PM +0800, Yafang Shao wrote:
> 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=33 used=3 fp=0x000000008cd1579c flags=0x17ffffc0010200
> 
> While after this change, the output is,
> [ 8846.517809] INFO: Slab 0x00000000f42a2c60 objects=33 used=3 fp=0x0000000060d32ca8 flags=0x17ffffc0010200(slab|head)
> 
> Reviewed-by: David Hildenbrand <david@...hat.com>
> Reviewed-by: Vlastimil Babka <vbabka@...e.cz>
> Acked-by: David Rientjes <rientjes@...gle.com>
> Acked-by: Christoph Lameter <cl@...ux.com>
> Signed-off-by: Yafang Shao <laoar.shao@...il.com>

Reviewed-by: Matthew Wilcox (Oracle) <willy@...radead.org>