linux-kernel - Re: [PATCH] mm/mm_init.c: remove redundant pr

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Message-ID: <9c1bfbeb50ac0d4fe728c45329c958607f13d88c@linux.dev>
Date:   Mon, 11 Sep 2023 02:57:31 +0000
From:   "Yajun Deng" <yajun.deng@...ux.dev>
To:     "Andrew Morton" <akpm@...ux-foundation.org>
Cc:     rppt@...nel.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/mm_init.c: remove redundant pr_info when node is
 memoryless

September 11, 2023 at 5:30 AM, "Andrew Morton" <akpm@...ux-foundation.org> wrote:


> 
> On Wed, 6 Sep 2023 17:11:13 +0800 Yajun Deng <yajun.deng@...ux.dev> wrote:
> 
> > 
> > There is a similar pr_info in free_area_init_node(), so remove the
> >  redundant pr_info.
> > 
> 
> Please quote the before and after dmesg output so we can better
> understand this proposal, thanks.
>

before:
[    0.006314] Initializing node 0 as memoryless
[    0.006445] Initmem setup node 0 as memoryless
[    0.006450] Initmem setup node 1 [mem 0x0000000000001000-0x000000003fffffff]
[    0.006453] Initmem setup node 2 [mem 0x0000000040000000-0x000000007ffd7fff]
[    0.006454] Initializing node 3 as memoryless
[    0.006584] Initmem setup node 3 as memoryless
[    0.006585] Initmem setup node 4 [mem 0x0000000100000000-0x00000001bfffffff]
[    0.006586] Initmem setup node 5 [mem 0x00000001c0000000-0x00000001ffffffff]
[    0.006587] Initmem setup node 6 [mem 0x0000000200000000-0x000000023fffffff]

after:
[    0.004147] Initmem setup node 0 as memoryless
[    0.004148] Initmem setup node 1 [mem 0x0000000000001000-0x000000003fffffff]
[    0.004150] Initmem setup node 2 [mem 0x0000000040000000-0x000000007ffd7fff]
[    0.004154] Initmem setup node 3 as memoryless
[    0.004155] Initmem setup node 4 [mem 0x0000000100000000-0x00000001bfffffff]
[    0.004156] Initmem setup node 5 [mem 0x00000001c0000000-0x00000001ffffffff]
[    0.004157] Initmem setup node 6 [mem 0x0000000200000000-0x000000023fffffff]