diff options
Diffstat (limited to 'arch/arm/mm')
-rw-r--r-- | arch/arm/mm/mmu.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 4223d086aa17..241c24a1c18f 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c | |||
@@ -1054,10 +1054,12 @@ void setup_mm_for_reboot(char mode) | |||
1054 | pgd_t *pgd; | 1054 | pgd_t *pgd; |
1055 | int i; | 1055 | int i; |
1056 | 1056 | ||
1057 | if (current->mm && current->mm->pgd) | 1057 | /* |
1058 | pgd = current->mm->pgd; | 1058 | * We need to access to user-mode page tables here. For kernel threads |
1059 | else | 1059 | * we don't have any user-mode mappings so we use the context that we |
1060 | pgd = init_mm.pgd; | 1060 | * "borrowed". |
1061 | */ | ||
1062 | pgd = current->active_mm->pgd; | ||
1061 | 1063 | ||
1062 | base_pmdval = PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | PMD_TYPE_SECT; | 1064 | base_pmdval = PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | PMD_TYPE_SECT; |
1063 | if (cpu_architecture() <= CPU_ARCH_ARMv5TEJ && !cpu_is_xscale()) | 1065 | if (cpu_architecture() <= CPU_ARCH_ARMv5TEJ && !cpu_is_xscale()) |