On Mon, 19 May 2014, Vlastimil Babka wrote:
> Fix a (spurious) build warning:
>
> mm/compaction.c:860:15: warning: ‘next_free_pfn’ may be used uninitialized in
> this function [-Wmaybe-uninitialized]
>
> Seems like the compiler cannot prove that exiting the for loop without
> updating
>
On Mon, 19 May 2014, Vlastimil Babka wrote:
Fix a (spurious) build warning:
mm/compaction.c:860:15: warning: ‘next_free_pfn’ may be used uninitialized in
this function [-Wmaybe-uninitialized]
Seems like the compiler cannot prove that exiting the for loop without
updating
next_free_pfn
I wonder why nobody complained about the build warning... sorry.
8<
From: Vlastimil Babka
Date: Mon, 19 May 2014 12:02:38 +0200
Subject: mm-compaction-avoid-rescanning-pageblocks-in-isolate_freepages-fix
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I wonder why nobody complained about the build warning... sorry.
8
From: Vlastimil Babka vba...@suse.cz
Date: Mon, 19 May 2014 12:02:38 +0200
Subject: mm-compaction-avoid-rescanning-pageblocks-in-isolate_freepages-fix
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
On Mon, May 12, 2014 at 11:09:25AM +0200, Vlastimil Babka wrote:
> On 05/08/2014 07:28 AM, Joonsoo Kim wrote:
> >On Wed, May 07, 2014 at 02:09:10PM +0200, Vlastimil Babka wrote:
> >>The compaction free scanner in isolate_freepages() currently remembers PFN
> >>of
> >>the highest pageblock where
On 05/08/2014 07:28 AM, Joonsoo Kim wrote:
On Wed, May 07, 2014 at 02:09:10PM +0200, Vlastimil Babka wrote:
The compaction free scanner in isolate_freepages() currently remembers PFN of
the highest pageblock where it successfully isolates, to be used as the
starting pageblock for the next
On 05/08/2014 07:28 AM, Joonsoo Kim wrote:
On Wed, May 07, 2014 at 02:09:10PM +0200, Vlastimil Babka wrote:
The compaction free scanner in isolate_freepages() currently remembers PFN of
the highest pageblock where it successfully isolates, to be used as the
starting pageblock for the next
On Mon, May 12, 2014 at 11:09:25AM +0200, Vlastimil Babka wrote:
On 05/08/2014 07:28 AM, Joonsoo Kim wrote:
On Wed, May 07, 2014 at 02:09:10PM +0200, Vlastimil Babka wrote:
The compaction free scanner in isolate_freepages() currently remembers PFN
of
the highest pageblock where it
On Wed, May 07 2014, Vlastimil Babka wrote:
> The compaction free scanner in isolate_freepages() currently remembers PFN of
> the highest pageblock where it successfully isolates, to be used as the
> starting pageblock for the next invocation. The rationale behind this is that
> page migration
On Wed, May 07 2014, Vlastimil Babka wrote:
The compaction free scanner in isolate_freepages() currently remembers PFN of
the highest pageblock where it successfully isolates, to be used as the
starting pageblock for the next invocation. The rationale behind this is that
page migration might
On Wed, May 07, 2014 at 02:09:10PM +0200, Vlastimil Babka wrote:
> The compaction free scanner in isolate_freepages() currently remembers PFN of
> the highest pageblock where it successfully isolates, to be used as the
> starting pageblock for the next invocation. The rationale behind this is that
On Wed, 7 May 2014, Vlastimil Babka wrote:
> The compaction free scanner in isolate_freepages() currently remembers PFN of
> the highest pageblock where it successfully isolates, to be used as the
> starting pageblock for the next invocation. The rationale behind this is that
> page migration
The compaction free scanner in isolate_freepages() currently remembers PFN of
the highest pageblock where it successfully isolates, to be used as the
starting pageblock for the next invocation. The rationale behind this is that
page migration might return free pages to the allocator when migration
The compaction free scanner in isolate_freepages() currently remembers PFN of
the highest pageblock where it successfully isolates, to be used as the
starting pageblock for the next invocation. The rationale behind this is that
page migration might return free pages to the allocator when migration
On Wed, 7 May 2014, Vlastimil Babka wrote:
The compaction free scanner in isolate_freepages() currently remembers PFN of
the highest pageblock where it successfully isolates, to be used as the
starting pageblock for the next invocation. The rationale behind this is that
page migration might
On Wed, May 07, 2014 at 02:09:10PM +0200, Vlastimil Babka wrote:
The compaction free scanner in isolate_freepages() currently remembers PFN of
the highest pageblock where it successfully isolates, to be used as the
starting pageblock for the next invocation. The rationale behind this is that
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