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-rw-r--r--mm/page_alloc.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 519a60d5b6f7..ef5070fed76b 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5137,8 +5137,9 @@ void __page_frag_cache_drain(struct page *page, unsigned int count)
}
EXPORT_SYMBOL(__page_frag_cache_drain);
-void *page_frag_alloc(struct page_frag_cache *nc,
- unsigned int fragsz, gfp_t gfp_mask)
+void *page_frag_alloc_align(struct page_frag_cache *nc,
+ unsigned int fragsz, gfp_t gfp_mask,
+ unsigned int align_mask)
{
unsigned int size = PAGE_SIZE;
struct page *page;
@@ -5190,11 +5191,12 @@ refill:
}
nc->pagecnt_bias--;
+ offset &= align_mask;
nc->offset = offset;
return nc->va + offset;
}
-EXPORT_SYMBOL(page_frag_alloc);
+EXPORT_SYMBOL(page_frag_alloc_align);
/*
* Frees a page fragment allocated out of either a compound or order 0 page.