]> git.karo-electronics.de Git - karo-tx-linux.git/commitdiff
ARM: 7166/1: Use PMD_SHIFT instead of PGDIR_SHIFT in dma-consistent.c
authorCatalin Marinas <catalin.marinas@arm.com>
Thu, 17 Nov 2011 12:11:21 +0000 (13:11 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Mon, 21 Nov 2011 13:12:19 +0000 (13:12 +0000)
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>
arch/arm/mm/dma-mapping.c

index e4e7f6cba1ab4823fdbf0fe7ab2109bf6df89ed7..ab584569930e3f17628f8fe05659e992f9910309 100644 (file)
@@ -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) {