From: Kassey Li quic <quic_yingangl@quicinc.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: "Vlastimil Babka (SUSE)" <vbabka@kernel.org>,
<akpm@linux-foundation.org>, <minchan@kernel.org>,
<vbabka@suse.cz>, <iamjoonsoo.kim@lge.com>,
<linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>
Subject: Re: [PATCH] trace/events/page_ref: add page info to page_ref trace event
Date: Tue, 5 Nov 2024 08:35:59 +0800 [thread overview]
Message-ID: <58f01375-37db-4720-98bf-eb2d8ed5cc1f@quicinc.com> (raw)
In-Reply-To: <ZyjOkSvYYKdFrRgt@casper.infradead.org>
On 2024/11/4 21:39, Matthew Wilcox wrote:
> On Mon, Nov 04, 2024 at 03:35:37PM +0800, Kassey Li quic wrote:
>>>> In many kernel code we are talking with page other than pfn,
>>>> here we added page algin with pfn.
>>> How exactly would this help you, what are you doing with the trace?
>>
>> we met some problem where filesystem held the page.
>>
>> we can show the page pointer other than pfn in filesystem code.
>
> Don't do that. Change the filesystem code to show the pfn, and send
> *that* patch instead.
thanks for the suggest from Matthew and Vlastimil. On 2024/11/4 21:39,
Matthew Wilcox wrote:
prev parent reply other threads:[~2024-11-05 0:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-31 2:42 Kassey Li
2024-10-31 3:56 ` Matthew Wilcox
2024-10-31 7:24 ` Vlastimil Babka (SUSE)
2024-11-04 7:35 ` Kassey Li quic
2024-11-04 13:39 ` Matthew Wilcox
2024-11-05 0:33 ` Kassey Li quic
2024-11-05 0:35 ` Kassey Li quic [this message]
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