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| author | Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> | 2013-09-11 14:22:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-11 15:57:48 -0700 |
| commit | 74060e4d78795c7c43805133cb717d82533d4e0d (patch) | |
| tree | 923febdc5b4565fbbcf05387d7cc423c72648695 /include | |
| parent | e632a938d914d271bec26e570d36c755a1e35e4c (diff) | |
| download | linux-74060e4d78795c7c43805133cb717d82533d4e0d.tar.gz linux-74060e4d78795c7c43805133cb717d82533d4e0d.tar.bz2 linux-74060e4d78795c7c43805133cb717d82533d4e0d.zip | |
mm: mbind: add hugepage migration code to mbind()
Extend do_mbind() to handle vma with VM_HUGETLB set. We will be able to
migrate hugepage with mbind(2) after applying the enablement patch which
comes later in this series.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Acked-by: Hillf Danton <dhillf@gmail.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Hugh Dickins <hughd@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Rik van Riel <riel@redhat.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/hugetlb.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index bc8d8370cd0d..d1db00790a84 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -265,6 +265,8 @@ struct huge_bootmem_page { }; struct page *alloc_huge_page_node(struct hstate *h, int nid); +struct page *alloc_huge_page_noerr(struct vm_area_struct *vma, + unsigned long addr, int avoid_reserve); /* arch callback */ int __init alloc_bootmem_huge_page(struct hstate *h); @@ -378,6 +380,7 @@ static inline pgoff_t basepage_index(struct page *page) #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; #define alloc_huge_page_node(h, nid) NULL +#define alloc_huge_page_noerr(v, a, r) NULL #define alloc_bootmem_huge_page(h) NULL #define hstate_file(f) NULL #define hstate_sizelog(s) NULL |