The patch titled
Subject: lib/dma-debug.c: use offset_in_page() macro
has been added to the -mm tree. Its filename is
dma-debug-use-offset_in_page-macro.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/dma-debug-use-offset_in_page-macro.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/dma-debug-use-offset_in_page-macro.patch
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From: Geliang Tang <geliangtang@xxxxxxxxx>
Subject: lib/dma-debug.c: use offset_in_page() macro
Use offset_in_page() macro instead of open-coding.
Link: http://lkml.kernel.org/r/a23e2178bef0fea63f24995b5086a0d4ed82061e.1492757182.git.geliangtang@xxxxxxxxx
Signed-off-by: Geliang Tang <geliangtang@xxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Vinod Koul <vinod.koul@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/dma-debug.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN lib/dma-debug.c~dma-debug-use-offset_in_page-macro lib/dma-debug.c
--- a/lib/dma-debug.c~dma-debug-use-offset_in_page-macro
+++ a/lib/dma-debug.c
@@ -1498,7 +1498,7 @@ void debug_dma_alloc_coherent(struct dev
entry->type = dma_debug_coherent;
entry->dev = dev;
entry->pfn = page_to_pfn(virt_to_page(virt));
- entry->offset = (size_t) virt & ~PAGE_MASK;
+ entry->offset = offset_in_page(virt);
entry->size = size;
entry->dev_addr = dma_addr;
entry->direction = DMA_BIDIRECTIONAL;
@@ -1514,7 +1514,7 @@ void debug_dma_free_coherent(struct devi
.type = dma_debug_coherent,
.dev = dev,
.pfn = page_to_pfn(virt_to_page(virt)),
- .offset = (size_t) virt & ~PAGE_MASK,
+ .offset = offset_in_page(virt),
.dev_addr = addr,
.size = size,
.direction = DMA_BIDIRECTIONAL,
_
Patches currently in -mm which might be from geliangtang@xxxxxxxxx are
fs-ocfs2-cluster-use-setup_timer.patch
fs-ocfs2-cluster-use-offset_in_page-macro.patch
writeback-use-setup_deferrable_timer.patch
dmaengine-dmatest-use-offset_in_page-macro.patch
dmaengine-mv_xor-use-offset_in_page-macro.patch
dma-debug-use-offset_in_page-macro.patch
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