diff options
Diffstat (limited to 'arch/um/include/asm/pgtable.h')
| -rw-r--r-- | arch/um/include/asm/pgtable.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h index 24fdea6f88c3..3b42b0f45bf6 100644 --- a/arch/um/include/asm/pgtable.h +++ b/arch/um/include/asm/pgtable.h @@ -45,10 +45,12 @@ extern unsigned long *empty_zero_page; * area for the same reason. ;) */ -extern unsigned long end_iomem; +#ifndef COMPILE_OFFSETS +#include <as-layout.h> /* for high_physmem */ +#endif #define VMALLOC_OFFSET (__va_space) -#define VMALLOC_START ((end_iomem + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) +#define VMALLOC_START ((high_physmem + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #define VMALLOC_END (TASK_SIZE-2*PAGE_SIZE) #define MODULES_VADDR VMALLOC_START #define MODULES_END VMALLOC_END @@ -225,6 +227,8 @@ static inline void set_pte(pte_t *pteptr, pte_t pteval) static inline void um_tlb_mark_sync(struct mm_struct *mm, unsigned long start, unsigned long end) { + guard(spinlock_irqsave)(&mm->context.sync_tlb_lock); + if (!mm->context.sync_tlb_range_to) { mm->context.sync_tlb_range_from = start; mm->context.sync_tlb_range_to = end; |