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authorCatalin Marinas <catalin.marinas@arm.com>2011-11-17 13:11:21 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-11-21 14:12:19 +0100
commit53cbcbcf4362ef39e0a692b1d23c395999397fca (patch)
tree0c87a7dff39ad967140ab6eb1f1e7a02ad30b57b /arch/arm/mm/dma-mapping.c
parentARM: 7165/2: PL330: Fix typo in _prepare_ccr() (diff)
downloadlinux-53cbcbcf4362ef39e0a692b1d23c395999397fca.tar.xz
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ARM: 7166/1: Use PMD_SHIFT instead of PGDIR_SHIFT in dma-consistent.c
Commit 99d1717d (ARM: Add init_consistent_dma_size()) introduces dynamic allocation of the consistent_pte array. The number of PTEs should be calculated based on the number of PMD entries rather than PGD, hence the PMD_SHIFT. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Jon Medhurst <tixy@yxit.co.uk> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/dma-mapping.c')
-rw-r--r--arch/arm/mm/dma-mapping.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index e4e7f6cba1ab..ab584569930e 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -168,7 +168,7 @@ static int __init consistent_init(void)
pte_t *pte;
int i = 0;
unsigned long base = consistent_base;
- unsigned long num_ptes = (CONSISTENT_END - base) >> PGDIR_SHIFT;
+ unsigned long num_ptes = (CONSISTENT_END - base) >> PMD_SHIFT;
consistent_pte = kmalloc(num_ptes * sizeof(pte_t), GFP_KERNEL);
if (!consistent_pte) {