diff options
| author | David Hildenbrand <david@redhat.com> | 2025-09-01 17:03:44 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-21 14:22:06 -0700 |
| commit | a16c46c2402026162111ed9fd1fc28d25223443e (patch) | |
| tree | c85348bcc891ac94ded1df5ff890805200d48a4f | |
| parent | 6972706f95926838f9bd3ec2b2393c034bdb85ba (diff) | |
dma-remap: drop nth_page() in dma_common_contiguous_remap()
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.
Link: https://lkml.kernel.org/r/20250901150359.867252-24-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | kernel/dma/remap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/dma/remap.c b/kernel/dma/remap.c index 9e2afad1c615..b7c1c0c92d0c 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); |