linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Mel Gorman <mgorman@suse.de>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Linux-MM <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 11/13] sched: Check current->mm before allocating NUMA faults
Date: Wed, 3 Jul 2013 16:33:46 +0100	[thread overview]
Message-ID: <20130703153346.GH1875@suse.de> (raw)
In-Reply-To: <1372861300-9973-12-git-send-email-mgorman@suse.de>

On Wed, Jul 03, 2013 at 03:21:38PM +0100, Mel Gorman wrote:
> @@ -1072,16 +1076,18 @@ void task_numa_work(struct callback_head *work)
>  			end = ALIGN(start + (pages << PAGE_SHIFT), HPAGE_SIZE);
>  			end = min(end, vma->vm_end);
>  			nr_pte_updates += change_prot_numa(vma, start, end);
> -			pages -= (end - start) >> PAGE_SHIFT;
> -
> -			start = end;
>  
>  			/*
>  			 * Scan sysctl_numa_balancing_scan_size but ensure that
> -			 * least one PTE is updated so that unused virtual
> -			 * address space is quickly skipped
> +			 * at least one PTE is updated so that unused virtual
> +			 * address space is quickly skipped.
>  			 */
> -			if (pages <= 0 && nr_pte_updates)
> +			if (nr_pte_updates)
> +				pages -= (end - start) >> PAGE_SHIFT;
> +
> +			start = end;
> +
> +			if (pages <= 0)
>  				goto out;
>  		} while (end != vma->vm_end);

This hunk is a rebasing error that should have been in the previous
patch. Fixed now.

-- 
Mel Gorman
SUSE Labs

--
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>

  reply	other threads:[~2013-07-03 15:33 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-03 14:21 [PATCH 0/13] Basic scheduler support for automatic NUMA balancing V2 Mel Gorman
2013-07-03 14:21 ` [PATCH 01/13] mm: numa: Document automatic NUMA balancing sysctls Mel Gorman
2013-07-03 14:21 ` [PATCH 02/13] sched: Track NUMA hinting faults on per-node basis Mel Gorman
2013-07-03 14:21 ` [PATCH 03/13] sched: Select a preferred node with the most numa hinting faults Mel Gorman
2013-07-03 14:21 ` [PATCH 04/13] sched: Update NUMA hinting faults once per scan Mel Gorman
2013-07-03 14:21 ` [PATCH 05/13] sched: Favour moving tasks towards the preferred node Mel Gorman
2013-07-03 14:21 ` [PATCH 06/13] sched: Reschedule task on preferred NUMA node once selected Mel Gorman
2013-07-04 12:26   ` Srikar Dronamraju
2013-07-04 13:29     ` Mel Gorman
2013-07-03 14:21 ` [PATCH 07/13] sched: Split accounting of NUMA hinting faults that pass two-stage filter Mel Gorman
2013-07-03 21:56   ` Johannes Weiner
2013-07-04  9:23     ` Mel Gorman
2013-07-04 14:24       ` Rik van Riel
2013-07-04 19:36       ` Johannes Weiner
2013-07-05  9:41         ` Mel Gorman
2013-07-05 10:48         ` Peter Zijlstra
2013-07-03 14:21 ` [PATCH 08/13] sched: Increase NUMA PTE scanning when a new preferred node is selected Mel Gorman
2013-07-03 14:21 ` [PATCH 09/13] sched: Favour moving tasks towards nodes that incurred more faults Mel Gorman
2013-07-03 18:27   ` Peter Zijlstra
2013-07-04  9:25     ` Mel Gorman
2013-07-03 14:21 ` [PATCH 10/13] sched: Set the scan rate proportional to the size of the task being scanned Mel Gorman
2013-07-03 14:21 ` [PATCH 11/13] sched: Check current->mm before allocating NUMA faults Mel Gorman
2013-07-03 15:33   ` Mel Gorman [this message]
2013-07-04 12:48   ` Srikar Dronamraju
2013-07-05 10:07     ` Mel Gorman
2013-07-03 14:21 ` [PATCH 12/13] mm: numa: Scan pages with elevated page_mapcount Mel Gorman
2013-07-03 18:35   ` Peter Zijlstra
2013-07-04  9:27     ` Mel Gorman
2013-07-03 18:41   ` Peter Zijlstra
2013-07-04  9:32     ` Mel Gorman
2013-07-03 18:42   ` Peter Zijlstra
2013-07-03 14:21 ` [PATCH 13/13] sched: Account for the number of preferred tasks running on a node when selecting a preferred node Mel Gorman
2013-07-03 18:32   ` Peter Zijlstra
2013-07-04  9:37     ` Mel Gorman
2013-07-04 13:07       ` Srikar Dronamraju
2013-07-04 13:54         ` Mel Gorman
2013-07-04 14:06           ` Peter Zijlstra
2013-07-04 14:40             ` Mel Gorman
2013-07-03 16:19 ` [PATCH 0/13] Basic scheduler support for automatic NUMA balancing V2 Mel Gorman
2013-07-03 16:26   ` Mel Gorman
2013-07-04 18:02 ` [PATCH RFC WIP] Process weights based scheduling for better consolidation Srikar Dronamraju
2013-07-05 10:16   ` Peter Zijlstra
2013-07-05 12:49     ` Srikar Dronamraju

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=20130703153346.GH1875@suse.de \
    --to=mgorman@suse.de \
    --cc=a.p.zijlstra@chello.nl \
    --cc=aarcange@redhat.com \
    --cc=hannes@cmpxchg.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mingo@kernel.org \
    --cc=srikar@linux.vnet.ibm.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).