Re: [RFC v5 PATCH 1/9] mm/hugetlb: add region_del() to delete a specific range of entries

2015-06-29 Thread Mike Kravetz
On 06/22/2015 05:38 PM, Mike Kravetz wrote: fallocate hole punch will want to remove a specific range of pages. The existing region_truncate() routine deletes all region/reserve map entries after a specified offset. region_del() will provide this same functionality if the end of region is specif

[RFC v5 PATCH 1/9] mm/hugetlb: add region_del() to delete a specific range of entries

2015-06-22 Thread Mike Kravetz
fallocate hole punch will want to remove a specific range of pages. The existing region_truncate() routine deletes all region/reserve map entries after a specified offset. region_del() will provide this same functionality if the end of region is specified as -1. Hence, region_del() can replace reg