diff options
| author | Mike Kravetz <mike.kravetz@oracle.com> | 2015-09-08 15:01:47 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-08 15:35:28 -0700 |
| commit | d85f69b0b533ec6d7ac8c21db958c44c6d957c90 (patch) | |
| tree | 4ffea6bfd5cdd7cd35310ea2636a3d4883ebed41 /include | |
| parent | 1fb1b0e9ef2d661488f8053986c3b7641cae529d (diff) | |
| download | lwn-d85f69b0b533ec6d7ac8c21db958c44c6d957c90.tar.gz lwn-d85f69b0b533ec6d7ac8c21db958c44c6d957c90.zip | |
mm/hugetlb: alloc_huge_page handle areas hole punched by fallocate
Areas hole punched by fallocate will not have entries in the
region/reserve map. However, shared mappings with min_size subpool
reservations may still have reserved pages. alloc_huge_page needs to
handle this special case and do the proper accounting.
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions