[PATCH v2 03/10] iommu/io-pgtable-arm: use page allocation function provided by iommu-pages.h

Pasha Tatashin
2023-11-30T20:15:37Z

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>
---
drivers/iommu/io-pgtable-arm.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index 72dcdd468cf3..21d315151ad6 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
@@ -197,7 +198,7 @@ static void *__arm_lpae_alloc_pages(size_t size, gfp_t gfp,
void *pages;

VM_BUG_ON((gfp & __GFP_HIGHMEM));
- p = alloc_pages_node(dev_to_node(dev), gfp | __GFP_ZERO, order);
+ p = __iommu_alloc_pages_node(dev_to_node(dev), gfp, order);
if (!p)
return NULL;

@@ -221,7 +222,7 @@ static void *__arm_lpae_alloc_pages(size_t size, gfp_t gfp,
dev_err(dev, "Cannot accommodate DMA translation for IOMMU page tables\n");
dma_unmap_single(dev, dma, size, DMA_TO_DEVICE);
out_free:
- __free_pages(p, order);
+ __iommu_free_pages(p, order);
return NULL;
}

@@ -231,7 +232,7 @@ static void __arm_lpae_free_pages(void *pages, size_t size,
if (!cfg->coherent_walk)
dma_unmap_single(cfg->iommu_dev, __arm_lpae_dma_addr(pages),
size, DMA_TO_DEVICE);
- 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,
--
2.43.0.rc2.451.g8631bc7472-goog