From: Andrew Morton <akpm@linux-foundation.org>
To: Kassey Li <quic_yingangl@quicinc.com>
Cc: vbabka@kernel.org, minchan@kernel.org, vbabka@suse.cz,
iamjoonsoo.kim@lge.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH v8] mm/page_owner.c: add llseek for page_owner
Date: Wed, 17 Aug 2022 09:13:24 -0700 [thread overview]
Message-ID: <20220817091324.59afdb143b6330974f4e9e4c@linux-foundation.org> (raw)
In-Reply-To: <20220816020748.18040-1-quic_yingangl@quicinc.com>
On Tue, 16 Aug 2022 10:07:48 +0800 Kassey Li <quic_yingangl@quicinc.com> wrote:
> There is usage to dump a given cma region page_owner
> instead of all page's.
So... dump all the pages and then parse out the ones you're interested in?
Presumably this is too slow and presumably you have a use case in which
this operation needs speeding up? If so, please fully describe all of
this in the changelog. If not then please fully still describe the
reasons for making this change.
next prev parent reply other threads:[~2022-08-17 16:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-16 2:07 Kassey Li
2022-08-17 16:13 ` Andrew Morton [this message]
2022-08-18 2:25 ` Kassey Li
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220817091324.59afdb143b6330974f4e9e4c@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=iamjoonsoo.kim@lge.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=minchan@kernel.org \
--cc=quic_yingangl@quicinc.com \
--cc=vbabka@kernel.org \
--cc=vbabka@suse.cz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox