[PATCH RFC 22/35] dma-remap: drop nth_page() in dma_common_contiguous_remap()

[David Hildenbrand]

dma_common_contiguous_remap() is used to remap an "allocated contiguous
region". Within a single allocation, there is no need to use nth_page()
anymore.

Neither the buddy, nor hugetlb, nor CMA will hand out problematic page
ranges.

Cc: Marek Szyprowski <m.szyprow...@samsung.com>
Cc: Robin Murphy <robin.mur...@arm.com>
Signed-off-by: David Hildenbrand <da...@redhat.com>
---
 kernel/dma/remap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/dma/remap.c b/kernel/dma/remap.c
index 9e2afad1c6152..b7c1c0c92d0c8 100644
--- a/kernel/dma/remap.c
+++ b/kernel/dma/remap.c
@@ -49,7 +49,7 @@ void *dma_common_contiguous_remap(struct page *page, size_t 
size,
        if (!pages)
                return NULL;
        for (i = 0; i < count; i++)
-               pages[i] = nth_page(page, i);
+               pages[i] = page++;
        vaddr = vmap(pages, count, VM_DMA_COHERENT, prot);
        kvfree(pages);
 
-- 
2.50.1