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-rw-r--r--arch/arm/kernel/head-nommu.S2
-rw-r--r--arch/arm/mm/nommu.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index 9b8c5a113434..fb1a69eb49c1 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -236,7 +236,7 @@ ENTRY(__setup_mpu)
mov r0, #CONFIG_VECTORS_BASE @ Cover from VECTORS_BASE
ldr r5,=(MPU_AP_PL1RW_PL0NA | MPU_RGN_NORMAL)
/* Writing N to bits 5:1 (RSR_SZ) --> region size 2^N+1 */
- mov r6, #(((PAGE_SHIFT - 1) << MPU_RSR_SZ) | 1 << MPU_RSR_EN)
+ mov r6, #(((2 * PAGE_SHIFT - 1) << MPU_RSR_SZ) | 1 << MPU_RSR_EN)
setup_region r0, r5, r6, MPU_DATA_SIDE @ VECTORS_BASE, PL0 NA, enabled
beq 3f @ Memory-map not unified
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 4d113fcceb4a..d5805e4bf2fc 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -286,7 +286,7 @@ void __init arm_mm_memblock_reserve(void)
* some architectures which the DRAM is the exception vector to trap,
* alloc_page breaks with error, although it is not NULL, but "0."
*/
- memblock_reserve(CONFIG_VECTORS_BASE, PAGE_SIZE);
+ memblock_reserve(CONFIG_VECTORS_BASE, 2 * PAGE_SIZE);
#else /* ifndef CONFIG_CPU_V7M */
/*
* There is no dedicated vector page on V7-M. So nothing needs to be