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-rw-r--r--mm/hugetlb.c33
1 files changed, 19 insertions, 14 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index b55886af82aa..742a929f2311 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1674,6 +1674,25 @@ struct page *alloc_huge_page_nodemask(struct hstate *h, int preferred_nid,
return alloc_migrate_huge_page(h, gfp_mask, preferred_nid, nmask);
}
+/* mempolicy aware migration callback */
+struct page *alloc_huge_page_vma(struct vm_area_struct *vma, unsigned long address)
+{
+ struct mempolicy *mpol;
+ nodemask_t *nodemask;
+ struct page *page;
+ struct hstate *h;
+ gfp_t gfp_mask;
+ int node;
+
+ h = hstate_vma(vma);
+ gfp_mask = htlb_alloc_mask(h);
+ node = huge_node(vma, address, gfp_mask, &mpol, &nodemask);
+ page = alloc_huge_page_nodemask(h, node, nodemask);
+ mpol_cond_put(mpol);
+
+ return page;
+}
+
/*
* Increase the hugetlb pool such that it can accommodate a reservation
* of size 'delta'.
@@ -2079,20 +2098,6 @@ out_subpool_put:
return ERR_PTR(-ENOSPC);
}
-/*
- * alloc_huge_page()'s wrapper which simply returns the page if allocation
- * succeeds, otherwise NULL. This function is called from new_vma_page(),
- * where no ERR_VALUE is expected to be returned.
- */
-struct page *alloc_huge_page_noerr(struct vm_area_struct *vma,
- unsigned long addr, int avoid_reserve)
-{
- struct page *page = alloc_huge_page(vma, addr, avoid_reserve);
- if (IS_ERR(page))
- page = NULL;
- return page;
-}
-
int alloc_bootmem_huge_page(struct hstate *h)
__attribute__ ((weak, alias("__alloc_bootmem_huge_page")));
int __alloc_bootmem_huge_page(struct hstate *h)