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Subject[PATCH v6 04/11] iommu/io-pgtable-arm: use page allocation function provided by iommu-pages.h
Date
Convert iommu/io-pgtable-arm.c to use the new page allocation functions
provided in iommu-pages.h.

Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Acked-by: David Rientjes <rientjes@google.com>
Tested-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
drivers/iommu/io-pgtable-arm.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index f7828a7aad41..3d23b924cec1 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -21,6 +21,7 @@
#include <asm/barrier.h>

#include "io-pgtable-arm.h"
+#include "iommu-pages.h"

#define ARM_LPAE_MAX_ADDR_BITS 52
#define ARM_LPAE_S2_MAX_CONCAT_PAGES 16
@@ -198,14 +199,10 @@ static void *__arm_lpae_alloc_pages(size_t size, gfp_t gfp,

VM_BUG_ON((gfp & __GFP_HIGHMEM));

- if (cfg->alloc) {
+ if (cfg->alloc)
pages = cfg->alloc(cookie, size, gfp);
- } else {
- struct page *p;
-
- p = alloc_pages_node(dev_to_node(dev), gfp | __GFP_ZERO, order);
- pages = p ? page_address(p) : NULL;
- }
+ else
+ pages = iommu_alloc_pages_node(dev_to_node(dev), gfp, order);

if (!pages)
return NULL;
@@ -233,7 +230,7 @@ static void *__arm_lpae_alloc_pages(size_t size, gfp_t gfp,
if (cfg->free)
cfg->free(cookie, pages, size);
else
- free_pages((unsigned long)pages, order);
+ iommu_free_pages(pages, order);

return NULL;
}
@@ -249,7 +246,7 @@ static void __arm_lpae_free_pages(void *pages, size_t size,
if (cfg->free)
cfg->free(cookie, pages, size);
else
- free_pages((unsigned long)pages, get_order(size));
+ iommu_free_pages(pages, get_order(size));
}

static void __arm_lpae_sync_pte(arm_lpae_iopte *ptep, int num_entries,
--
2.44.0.683.g7961c838ac-goog

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