Re: [PATCH v2 01/10] mm/hugetlb: add cache of descriptors to resv_map for region_add

On 07/08/2015 05:21 PM, Mike Kravetz wrote: fallocate hole punch will want to remove a specific range of pages. When pages are removed, their associated entries in the region/reserve map will also be removed. This will break an assumption in the region_chg/region_add calling sequence. If a new

[PATCH v2 01/10] mm/hugetlb: add cache of descriptors to resv_map for region_add

fallocate hole punch will want to remove a specific range of pages. When pages are removed, their associated entries in the region/reserve map will also be removed. This will break an assumption in the region_chg/region_add calling sequence. If a new region descriptor must be allocated, it is don