From: Andrew Morton <akpm@linux-foundation.org>
To: Mike Kravetz <mike.kravetz@oracle.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Nadia Yvette Chambers <nyc@holomorphy.com>,
Davidlohr Bueso <davidlohr@hp.com>,
Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>
Subject: Re: [RFC 0/3] hugetlbfs: optionally reserve all fs pages at mount time
Date: Mon, 2 Mar 2015 15:10:09 -0800 [thread overview]
Message-ID: <20150302151009.2ae58f4430f9f34b81533821@linux-foundation.org> (raw)
In-Reply-To: <1425077893-18366-1-git-send-email-mike.kravetz@oracle.com>
On Fri, 27 Feb 2015 14:58:08 -0800 Mike Kravetz <mike.kravetz@oracle.com> wrote:
> hugetlbfs allocates huge pages from the global pool as needed. Even if
> the global pool contains a sufficient number pages for the filesystem
> size at mount time, those global pages could be grabbed for some other
> use. As a result, filesystem huge page allocations may fail due to lack
> of pages.
Well OK, but why is this a sufficiently serious problem to justify
kernel changes? Please provide enough info for others to be able
to understand the value of the change.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2015-03-02 23:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-27 22:58 Mike Kravetz
2015-02-27 22:58 ` [RFC 1/3] hugetlbfs: add reserved mount fields to subpool structure Mike Kravetz
2015-02-27 22:58 ` Mike Kravetz
2015-03-02 23:10 ` Andrew Morton
2015-03-03 1:20 ` Mike Kravetz
2015-02-27 22:58 ` [RFC 2/3] hugetlbfs: coordinate global and subpool reserve accounting Mike Kravetz
2015-03-02 23:10 ` Andrew Morton
2015-03-03 1:30 ` Mike Kravetz
2015-02-27 22:58 ` Mike Kravetz
2015-02-27 22:58 ` [RFC 3/3] hugetlbfs: accept subpool reserved option and setup accordingly Mike Kravetz
2015-03-02 23:10 ` Andrew Morton
2015-03-03 1:36 ` Mike Kravetz
2015-03-02 23:10 ` Andrew Morton [this message]
2015-03-03 1:18 ` [RFC 0/3] hugetlbfs: optionally reserve all fs pages at mount time Mike Kravetz
2015-03-06 15:10 ` Michal Hocko
2015-03-06 18:58 ` Mike Kravetz
2015-03-06 21:14 ` David Rientjes
2015-03-06 21:32 ` Mike Kravetz
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=20150302151009.2ae58f4430f9f34b81533821@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=aneesh.kumar@linux.vnet.ibm.com \
--cc=davidlohr@hp.com \
--cc=iamjoonsoo.kim@lge.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mike.kravetz@oracle.com \
--cc=nyc@holomorphy.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