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Re: [PATCH v2 0/5] Assorted compaction cleanups and optimizations

From Vlastimil Babka <vbabka@suse.cz>
Newsgroups linux.kernel
Subject Re: [PATCH v2 0/5] Assorted compaction cleanups and optimizations
Date 2015-07-31 17:40 +0200
Message-ID <pSkzE-1wQ-9@gated-at.bofh.it> (permalink)
References <pSkpY-1ly-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 07/31/2015 05:28 PM, Vlastimil Babka wrote:
> v2 changes:
>   - dropped Patch 6 as adjusting to Joonsoo's objection would be too
>     complicated and the results didn't justify it
>   - don't check for compound order > 0 in patches 4 and 5 as suggested by
>     Michal Nazarewicz. Negative values are handled by converting to unsinged
>     int, the pfn calculations work fine with 0 and it's unlikely to see 0
>     due to a race when we just checked PageCompound().

ah, also patch 3 calls reset_cached_positions() from 
__reset_isolation_suitable() as v1 missed a callsite by doing it 
separately (spotted by Joonsoo)

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Thread

[PATCH v2 0/5] Assorted compaction cleanups and optimizations Vlastimil Babka <vbabka@suse.cz> - 2015-07-31 17:30 +0200
  [PATCH v2 2/5] mm, compaction: simplify handling restart position in free pages scanner Vlastimil Babka <vbabka@suse.cz> - 2015-07-31 17:30 +0200
    Re: [PATCH v2 2/5] mm, compaction: simplify handling restart position in free pages scanner Michal Nazarewicz <mina86@mina86.com> - 2015-08-03 19:10 +0200
  [PATCH v2 1/5] mm, compaction: more robust check for scanners meeting Vlastimil Babka <vbabka@suse.cz> - 2015-07-31 17:30 +0200
  [PATCH v2 5/5] mm, compaction: skip compound pages by order in free scanner Vlastimil Babka <vbabka@suse.cz> - 2015-07-31 17:30 +0200
  [PATCH v2 4/5] mm, compaction: always skip compound pages by order in migrate scanner Vlastimil Babka <vbabka@suse.cz> - 2015-07-31 17:30 +0200
  Re: [PATCH v2 0/5] Assorted compaction cleanups and optimizations Vlastimil Babka <vbabka@suse.cz> - 2015-07-31 17:40 +0200

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