mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Christopher Lameter <cl@linux.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: Pavel Machek <pavel@ucw.cz>,
	Mike Kravetz <mike.kravetz@oracle.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	linux-api@vger.kernel.org,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Michal Nazarewicz <mina86@mina86.com>,
	"Aneesh Kumar K . V" <aneesh.kumar@linux.vnet.ibm.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Guy Shattah <sguy@mellanox.com>,
	Anshuman Khandual <khandual@linux.vnet.ibm.com>,
	Laura Abbott <labbott@redhat.com>,
	Vlastimil Babka <vbabka@suse.cz>
Subject: Re: [RFC PATCH 3/3] mm/map_contig: Add mmap(MAP_CONTIG) support
Date: Mon, 16 Oct 2017 11:02:24 -0500 (CDT)	[thread overview]
Message-ID: <alpine.DEB.2.20.1710161101310.12436@nuc-kabylake> (raw)
In-Reply-To: <20171016121808.m4sq3g5nxeyxoymc@dhcp22.suse.cz>

On Mon, 16 Oct 2017, Michal Hocko wrote:

> > So I mmap(MAP_CONTIG) 1GB working of working memory, prefer some data
> > structures there, maybe recieve from network, then decide to write
> > some and not write some other.
>
> Why would you want this?

Because we are receiving a 1GB block of data and then wan to write it to
disk. Maybe we want to modify things a bit and may not write all that we
received.

  reply	other threads:[~2017-10-16 16:02 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-03 23:56 [RFC] mmap(MAP_CONTIG) Mike Kravetz
2017-10-04 11:54 ` Michal Nazarewicz
2017-10-04 17:08   ` Mike Kravetz
2017-10-04 21:29     ` Laura Abbott
2017-10-04 13:49 ` Anshuman Khandual
2017-10-04 16:05   ` Christopher Lameter
2017-10-04 17:38     ` Mike Kravetz
2017-10-04 17:35   ` Mike Kravetz
2017-10-05  7:06 ` Vlastimil Babka
2017-10-05 14:30   ` Christopher Lameter
2017-10-12  1:46 ` [RFC PATCH 0/3] Add mmap(MAP_CONTIG) support Mike Kravetz
2017-10-12  1:46   ` [RFC PATCH 1/3] mm/map_contig: Add VM_CONTIG flag to vma struct Mike Kravetz
2017-10-12  1:46   ` [RFC PATCH 2/3] mm/map_contig: Use pre-allocated pages for VM_CONTIG mappings Mike Kravetz
2017-10-12 11:04     ` Anshuman Khandual
2017-10-12  1:46   ` [RFC PATCH 3/3] mm/map_contig: Add mmap(MAP_CONTIG) support Mike Kravetz
2017-10-12 11:22     ` Anshuman Khandual
2017-10-13 15:14       ` Christopher Lameter
2017-10-12 14:37     ` Michal Hocko
2017-10-12 17:19       ` Mike Kravetz
2017-10-13  8:40         ` Michal Hocko
2017-10-13 15:20           ` Christopher Lameter
2017-10-13 15:28             ` Michal Hocko
2017-10-13 15:42               ` Christopher Lameter
2017-10-13 15:47                 ` Michal Hocko
2017-10-13 15:56                   ` Christopher Lameter
2017-10-13 16:17                     ` Michal Hocko
2017-10-15  7:50                       ` Guy Shattah
2017-10-16  8:24                         ` Michal Hocko
2017-10-16  9:11                           ` Guy Shattah
2017-10-16 12:32                             ` Michal Hocko
2017-10-16 16:00                               ` Christopher Lameter
2017-10-16 17:42                                 ` Michal Hocko
2017-10-16 17:56                                   ` Christopher Lameter
2017-10-16 18:17                                     ` Michal Hocko
2017-10-23 15:25                                   ` David Nellans
2017-10-17 10:50                               ` Guy Shattah
2017-10-17 10:59                                 ` Michal Hocko
2017-10-17 13:22                                 ` Michal Nazarewicz
2017-10-17 14:20                                   ` Guy Shattah
2017-10-17 17:44                                     ` Vlastimil Babka
2017-10-17 18:23                                     ` Mike Kravetz
2017-10-17 19:56                                       ` Vlastimil Babka
2017-10-16 10:33                         ` Michal Nazarewicz
2017-10-16 11:09                           ` Guy Shattah
2017-10-16 17:43                         ` Mike Kravetz
2017-10-16 18:07                           ` Michal Hocko
2017-10-16 20:32                             ` Mike Kravetz
2017-10-16 20:58                               ` Michal Hocko
2017-10-16 21:03                               ` Laura Abbott
2017-10-16 21:18                                 ` Mike Kravetz
2017-10-17  6:59                               ` Vlastimil Babka
2017-10-15  6:58                   ` Pavel Machek
2017-10-16  8:18                     ` Michal Hocko
2017-10-16  9:54                       ` Pavel Machek
2017-10-16 12:18                         ` Michal Hocko
2017-10-16 16:02                           ` Christopher Lameter [this message]
2017-10-16 17:33                             ` Michal Hocko
2017-10-16 17:53                               ` Christopher Lameter
2017-10-15  8:07     ` Guy Shattah
2017-10-12 10:36   ` [RFC PATCH 0/3] " Anshuman Khandual
2017-10-12 14:25     ` Anshuman Khandual
2017-10-23 22:10 ` [RFC] mmap(MAP_CONTIG) Dave Hansen
2017-10-24 22:49   ` 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=alpine.DEB.2.20.1710161101310.12436@nuc-kabylake \
    --to=cl@linux.com \
    --cc=aneesh.kumar@linux.vnet.ibm.com \
    --cc=iamjoonsoo.kim@lge.com \
    --cc=khandual@linux.vnet.ibm.com \
    --cc=labbott@redhat.com \
    --cc=linux-api@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=m.szyprowski@samsung.com \
    --cc=mhocko@kernel.org \
    --cc=mike.kravetz@oracle.com \
    --cc=mina86@mina86.com \
    --cc=pavel@ucw.cz \
    --cc=sguy@mellanox.com \
    --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

all inboxes | Powered by JetHome®