From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Minchan Kim <minchan@kernel.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Sangseok Lee <sangseok.lee@lge.com>,
Chanho Min <chanho.min@lge.com>,
Chan Gyun Jeong <chan.jeong@lge.com>
Subject: Re: [PATCH] mm: add NR_ZSMALLOC to vmstat
Date: Thu, 9 Jun 2016 10:40:52 +0900 [thread overview]
Message-ID: <20160609014052.GA655@swordfish> (raw)
In-Reply-To: <20160607014340.GB26230@bbox>
Hello Minchan,
On (06/07/16 10:43), Minchan Kim wrote:
[..]
> > > It doesn't support per-zone stat which is important to show
> > > the fragmentation of the zone, for exmaple.
> >
> > Ah, I see.
> >
> > *just an idea*
> >
> > may be zbud and z3fold folks will be interested as well, so may
>
> First motivation of stat came from fragmentation problem from zsmalloc
> which caused by storing many thin zpages in a pageframe and across two
> pageframes while zswap limits the limitation by design.
>
> Second motivation is zsmalloc can allocate page from HIGH/movable zones
> so I want to know how distribution zsmalloced pages is.
> However, zbud doesn't.
good points.
well, my "motivation" was "on 64-bit systems high zone is empty,
so those are zones below the high zone that we are interested in".
[..]
> > be more generic name and define... um, my head doesn't work toay..
> > ZALLOC... ZPOOLALLOC... hm.. I think you got the idea.
>
> Having said that, generic name is better rather than zsmalloc. Thanks.
> I want to use *zspage* which is term from the beginning of zprojects. :)
thanks!
-ss
prev parent reply other threads:[~2016-06-09 1:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-03 2:08 [PATCH] mm: add NR_ZSMALLOC to vmstat Minchan Kim
2016-06-03 8:01 ` Sergey Senozhatsky
2016-06-03 8:23 ` Minchan Kim
2016-06-03 10:24 ` Sergey Senozhatsky
2016-06-07 1:43 ` Minchan Kim
2016-06-09 1:40 ` Sergey Senozhatsky [this message]
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=20160609014052.GA655@swordfish \
--to=sergey.senozhatsky.work@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=chan.jeong@lge.com \
--cc=chanho.min@lge.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=minchan@kernel.org \
--cc=sangseok.lee@lge.com \
--cc=sergey.senozhatsky@gmail.com \
/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;
as well as URLs for NNTP newsgroup(s).