Re: [PATCH] CMA: use MIGRATE_SYNC in alloc_contig_range()

2014-05-29 Thread David Rientjes
On Thu, 29 May 2014, Joonsoo Kim wrote:

> Before commit 'mm, compaction: embed migration mode in compact_control'
> from David is merged, alloc_contig_range() used sync migration,
> instead of sync_light migration. This doesn't break anything currently
> because page isolation doesn't have any difference with sync and
> sync_light, but it could in the future, so change back as it was.
> 
> And pass cc->mode to migrate_pages(), instead of passing MIGRATE_SYNC
> to migrate_pages().
> 
> Signed-off-by: Joonsoo Kim 

Acked-by: David Rientjes 

Should probably be renamed 
mm-compaction-embed-migration-mode-in-compact_control-fix-fix though since 
it's based on another patch in -mm that properly does the s/sync/mode/ 
conversion for CMA.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: [PATCH] CMA: use MIGRATE_SYNC in alloc_contig_range()

2014-05-29 Thread Joonsoo Kim
On Thu, May 29, 2014 at 03:35:05PM +0900, Minchan Kim wrote:
> On Thu, May 29, 2014 at 03:25:50PM +0900, Joonsoo Kim wrote:
> > Before commit 'mm, compaction: embed migration mode in compact_control'
> > from David is merged, alloc_contig_range() used sync migration,
> > instead of sync_light migration. This doesn't break anything currently
> > because page isolation doesn't have any difference with sync and
> > sync_light, but it could in the future, so change back as it was.
> > 
> > And pass cc->mode to migrate_pages(), instead of passing MIGRATE_SYNC
> > to migrate_pages().
> > 
> > Signed-off-by: Joonsoo Kim 
> Acked-by: Minchan Kim 

Thanks.

> 
> Hello Joonsoo,
> 
> Please Ccing me if you send patch related to CMA mm part.
> I have reviewed/fixed mm part of CMA for a long time so worth to Cced
> although I always don't have a time to look at it. :)

Okay! This is just small fix going back orignal, so I didn't cc many people
related to CMA mm part. Anyway, I'm sorry.

Thanks.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: [PATCH] CMA: use MIGRATE_SYNC in alloc_contig_range()

2014-05-29 Thread Minchan Kim
On Thu, May 29, 2014 at 03:25:50PM +0900, Joonsoo Kim wrote:
> Before commit 'mm, compaction: embed migration mode in compact_control'
> from David is merged, alloc_contig_range() used sync migration,
> instead of sync_light migration. This doesn't break anything currently
> because page isolation doesn't have any difference with sync and
> sync_light, but it could in the future, so change back as it was.
> 
> And pass cc->mode to migrate_pages(), instead of passing MIGRATE_SYNC
> to migrate_pages().
> 
> Signed-off-by: Joonsoo Kim 
Acked-by: Minchan Kim 

Hello Joonsoo,

Please Ccing me if you send patch related to CMA mm part.
I have reviewed/fixed mm part of CMA for a long time so worth to Cced
although I always don't have a time to look at it. :)

Thanks.

> 
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 7f97767..97c4185 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -6262,7 +6262,7 @@ static int __alloc_contig_migrate_range(struct 
> compact_control *cc,
>   cc->nr_migratepages -= nr_reclaimed;
>  
>   ret = migrate_pages(>migratepages, alloc_migrate_target,
> - NULL, 0, MIGRATE_SYNC, MR_CMA);
> + NULL, 0, cc->mode, MR_CMA);
>   }
>   if (ret < 0) {
>   putback_movable_pages(>migratepages);
> @@ -6301,7 +6301,7 @@ int alloc_contig_range(unsigned long start, unsigned 
> long end,
>   .nr_migratepages = 0,
>   .order = -1,
>   .zone = page_zone(pfn_to_page(start)),
> - .mode = MIGRATE_SYNC_LIGHT,
> + .mode = MIGRATE_SYNC,
>   .ignore_skip_hint = true,
>   };
>   INIT_LIST_HEAD();
> -- 
> 1.7.9.5
> 
> --
> To unsubscribe, send a message with 'unsubscribe linux-mm' in
> the body to majord...@kvack.org.  For more info on Linux MM,
> see: http://www.linux-mm.org/ .
> Don't email: mailto:"d...@kvack.org;> em...@kvack.org 

-- 
Kind regards,
Minchan Kim
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: [PATCH] CMA: use MIGRATE_SYNC in alloc_contig_range()

2014-05-29 Thread Minchan Kim
On Thu, May 29, 2014 at 03:25:50PM +0900, Joonsoo Kim wrote:
 Before commit 'mm, compaction: embed migration mode in compact_control'
 from David is merged, alloc_contig_range() used sync migration,
 instead of sync_light migration. This doesn't break anything currently
 because page isolation doesn't have any difference with sync and
 sync_light, but it could in the future, so change back as it was.
 
 And pass cc-mode to migrate_pages(), instead of passing MIGRATE_SYNC
 to migrate_pages().
 
 Signed-off-by: Joonsoo Kim iamjoonsoo@lge.com
Acked-by: Minchan Kim minc...@kernel.org

Hello Joonsoo,

Please Ccing me if you send patch related to CMA mm part.
I have reviewed/fixed mm part of CMA for a long time so worth to Cced
although I always don't have a time to look at it. :)

Thanks.

 
 diff --git a/mm/page_alloc.c b/mm/page_alloc.c
 index 7f97767..97c4185 100644
 --- a/mm/page_alloc.c
 +++ b/mm/page_alloc.c
 @@ -6262,7 +6262,7 @@ static int __alloc_contig_migrate_range(struct 
 compact_control *cc,
   cc-nr_migratepages -= nr_reclaimed;
  
   ret = migrate_pages(cc-migratepages, alloc_migrate_target,
 - NULL, 0, MIGRATE_SYNC, MR_CMA);
 + NULL, 0, cc-mode, MR_CMA);
   }
   if (ret  0) {
   putback_movable_pages(cc-migratepages);
 @@ -6301,7 +6301,7 @@ int alloc_contig_range(unsigned long start, unsigned 
 long end,
   .nr_migratepages = 0,
   .order = -1,
   .zone = page_zone(pfn_to_page(start)),
 - .mode = MIGRATE_SYNC_LIGHT,
 + .mode = MIGRATE_SYNC,
   .ignore_skip_hint = true,
   };
   INIT_LIST_HEAD(cc.migratepages);
 -- 
 1.7.9.5
 
 --
 To unsubscribe, send a message with 'unsubscribe linux-mm' in
 the body to majord...@kvack.org.  For more info on Linux MM,
 see: http://www.linux-mm.org/ .
 Don't email: a href=mailto:d...@kvack.org; em...@kvack.org /a

-- 
Kind regards,
Minchan Kim
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: [PATCH] CMA: use MIGRATE_SYNC in alloc_contig_range()

2014-05-29 Thread Joonsoo Kim
On Thu, May 29, 2014 at 03:35:05PM +0900, Minchan Kim wrote:
 On Thu, May 29, 2014 at 03:25:50PM +0900, Joonsoo Kim wrote:
  Before commit 'mm, compaction: embed migration mode in compact_control'
  from David is merged, alloc_contig_range() used sync migration,
  instead of sync_light migration. This doesn't break anything currently
  because page isolation doesn't have any difference with sync and
  sync_light, but it could in the future, so change back as it was.
  
  And pass cc-mode to migrate_pages(), instead of passing MIGRATE_SYNC
  to migrate_pages().
  
  Signed-off-by: Joonsoo Kim iamjoonsoo@lge.com
 Acked-by: Minchan Kim minc...@kernel.org

Thanks.

 
 Hello Joonsoo,
 
 Please Ccing me if you send patch related to CMA mm part.
 I have reviewed/fixed mm part of CMA for a long time so worth to Cced
 although I always don't have a time to look at it. :)

Okay! This is just small fix going back orignal, so I didn't cc many people
related to CMA mm part. Anyway, I'm sorry.

Thanks.
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: [PATCH] CMA: use MIGRATE_SYNC in alloc_contig_range()

2014-05-29 Thread David Rientjes
On Thu, 29 May 2014, Joonsoo Kim wrote:

 Before commit 'mm, compaction: embed migration mode in compact_control'
 from David is merged, alloc_contig_range() used sync migration,
 instead of sync_light migration. This doesn't break anything currently
 because page isolation doesn't have any difference with sync and
 sync_light, but it could in the future, so change back as it was.
 
 And pass cc-mode to migrate_pages(), instead of passing MIGRATE_SYNC
 to migrate_pages().
 
 Signed-off-by: Joonsoo Kim iamjoonsoo@lge.com

Acked-by: David Rientjes rient...@google.com

Should probably be renamed 
mm-compaction-embed-migration-mode-in-compact_control-fix-fix though since 
it's based on another patch in -mm that properly does the s/sync/mode/ 
conversion for CMA.
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/