The patch titled
Subject: common: dma-mapping: Store page array in vm_struct
has been removed from the -mm tree. Its filename was
common-dma-mapping-introduce-common-remapping-functions-fix-4.patch
This patch was dropped because it was folded into common-dma-mapping-introduce-common-remapping-functions.patch
------------------------------------------------------
From: Laura Abbott <lauraa@xxxxxxxxxxxxxx>
Subject: common: dma-mapping: Store page array in vm_struct
Commit 54329ac (common: dma-mapping: introduce common remapping functions)
factored out common code for remapping arrays of pages. The code before
the refactor relied on setting area->pages with the array of mapped pages
for easy access later. The refactor dropped this, breaking parts of the
ARM DMA API. Fix this by setting the page array in the same place.
Signed-off-by: Laura Abbott <lauraa@xxxxxxxxxxxxxx>
Reported-by: Mitchel Humpherys <mitchelh@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/base/dma-mapping.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN drivers/base/dma-mapping.c~common-dma-mapping-introduce-common-remapping-functions-fix-4 drivers/base/dma-mapping.c
--- a/drivers/base/dma-mapping.c~common-dma-mapping-introduce-common-remapping-functions-fix-4
+++ a/drivers/base/dma-mapping.c
@@ -285,6 +285,8 @@ void *dma_common_pages_remap(struct page
if (!area)
return NULL;
+ area->pages = pages;
+
if (map_vm_area(area, prot, pages)) {
vunmap(area->addr);
return NULL;
_
Patches currently in -mm which might be from lauraa@xxxxxxxxxxxxxx are
origin.patch
lib-genallocc-add-power-aligned-algorithm.patch
lib-genallocc-add-genpool-range-check-function.patch
common-dma-mapping-introduce-common-remapping-functions.patch
arm-use-genalloc-for-the-atomic-pool.patch
arm64-add-atomic-pool-for-non-coherent-and-cma-allocations.patch
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