diff options
Diffstat (limited to 'arch/mn10300/mm')
| -rw-r--r-- | arch/mn10300/mm/fault.c | 2 | ||||
| -rw-r--r-- | arch/mn10300/mm/pgtable.c | 9 | ||||
| -rw-r--r-- | arch/mn10300/mm/tlb-smp.c | 4 |
3 files changed, 11 insertions, 4 deletions
diff --git a/arch/mn10300/mm/fault.c b/arch/mn10300/mm/fault.c index 8a2e6ded9a4..3516cbdf1ee 100644 --- a/arch/mn10300/mm/fault.c +++ b/arch/mn10300/mm/fault.c @@ -171,6 +171,8 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long fault_code, if (in_atomic() || !mm) goto no_context; + if ((fault_code & MMUFCR_xFC_ACCESS) == MMUFCR_xFC_ACCESS_USR) + flags |= FAULT_FLAG_USER; retry: down_read(&mm->mmap_sem); diff --git a/arch/mn10300/mm/pgtable.c b/arch/mn10300/mm/pgtable.c index bd9ada693f9..e77a7c72808 100644 --- a/arch/mn10300/mm/pgtable.c +++ b/arch/mn10300/mm/pgtable.c @@ -78,8 +78,13 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) #else pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0); #endif - if (pte) - clear_highpage(pte); + if (!pte) + return NULL; + clear_highpage(pte); + if (!pgtable_page_ctor(pte)) { + __free_page(pte); + return NULL; + } return pte; } diff --git a/arch/mn10300/mm/tlb-smp.c b/arch/mn10300/mm/tlb-smp.c index 3e57faf0408..e5d0ef722bf 100644 --- a/arch/mn10300/mm/tlb-smp.c +++ b/arch/mn10300/mm/tlb-smp.c @@ -78,9 +78,9 @@ void smp_flush_tlb(void *unused) else local_flush_tlb_page(flush_mm, flush_va); - smp_mb__before_clear_bit(); + smp_mb__before_atomic(); cpumask_clear_cpu(cpu_id, &flush_cpumask); - smp_mb__after_clear_bit(); + smp_mb__after_atomic(); out: put_cpu(); } |