Re: [PATCH 1/3] mm: page_isolation: remove redundant moving for isolated buddy pages

2014-12-09 Thread Vlastimil Babka
On 12/09/2014 08:50 AM, Weijie Yang wrote: The commit ad53f92e(fix incorrect isolation behavior by rechecking migratetype) patch series describe the race between page isolation and alloc/free path, and fix the race. Now, after the pageblock has been isolated, free buddy pages are already in the

[PATCH 1/3] mm: page_isolation: remove redundant moving for isolated buddy pages

2014-12-08 Thread Weijie Yang
The commit ad53f92e(fix incorrect isolation behavior by rechecking migratetype) patch series describe the race between page isolation and alloc/free path, and fix the race. Now, after the pageblock has been isolated, free buddy pages are already in the free_list[MIGRATE_ISOLATE] and will not be al