From: Matthew Wilcox <willy@infradead.org>
To: Kassey Li quic <quic_yingangl@quicinc.com>
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: Mon, 4 Nov 2024 13:39:29 +0000 [thread overview]
Message-ID: <ZyjOkSvYYKdFrRgt@casper.infradead.org> (raw)
In-Reply-To: <55f6332d-3b4c-4478-93f9-514a906e348d@quicinc.com>
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.
next prev parent reply other threads:[~2024-11-04 13:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-31 2:42 [PATCH] trace/events/page_ref: add page info to page_ref trace event 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 [this message]
2024-11-05 0:35 ` Kassey Li quic
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