linux-kernel - [PATCH v3 03/10] iommu/io-pgtable-arm: use page allocation function provided by iommu-pages.h

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Message-ID: <20231226200205.562565-4-pasha.tatashin@soleen.com>
Date: Tue, 26 Dec 2023 20:01:58 +0000
From: Pasha Tatashin <pasha.tatashin@...een.com>
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Subject: [PATCH v3 03/10] iommu/io-pgtable-arm: use page allocation function provided by iommu-pages.h

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@...een.com>
Acked-by: David Rientjes <rientjes@...gle.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,
-- 
2.43.0.472.g3155946c3a-goog