lkml.org 
[lkml]   [2014]   [May]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [patch v4 4/6] mm, compaction: embed migration mode in compact_control
On Wed, 7 May 2014 03:36:46 -0700 (PDT) David Rientjes <rientjes@google.com> wrote:

> We're going to want to manipulate the migration mode for compaction in the page
> allocator, and currently compact_control's sync field is only a bool.
>
> Currently, we only do MIGRATE_ASYNC or MIGRATE_SYNC_LIGHT compaction depending
> on the value of this bool. Convert the bool to enum migrate_mode and pass the
> migration mode in directly. Later, we'll want to avoid MIGRATE_SYNC_LIGHT for
> thp allocations in the pagefault patch to avoid unnecessary latency.
>
> This also alters compaction triggered from sysfs, either for the entire system
> or for a node, to force MIGRATE_SYNC.

mm/page_alloc.c: In function 'alloc_contig_range':
mm/page_alloc.c:6255: error: unknown field 'sync' specified in initializer

--- a/mm/page_alloc.c~mm-compaction-embed-migration-mode-in-compact_control-fix
+++ a/mm/page_alloc.c
@@ -6252,7 +6252,7 @@ int alloc_contig_range(unsigned long sta
.nr_migratepages = 0,
.order = -1,
.zone = page_zone(pfn_to_page(start)),
- .sync = MIGRATE_SYNC_LIGHT,
+ .mode = MIGRATE_SYNC_LIGHT,
.ignore_skip_hint = true,
};
INIT_LIST_HEAD(&cc.migratepages);

Please check that you sent the correct version of this?


\
 
 \ /
  Last update: 2014-05-10 00:21    [W:0.614 / U:0.376 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site