diff options
Diffstat (limited to 'include/asm-ia64/pgalloc.h')
| -rw-r--r-- | include/asm-ia64/pgalloc.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/include/asm-ia64/pgalloc.h b/include/asm-ia64/pgalloc.h index becc7422f..b26321422 100644 --- a/include/asm-ia64/pgalloc.h +++ b/include/asm-ia64/pgalloc.h @@ -8,8 +8,8 @@ * This hopefully works with any (fixed) ia-64 page-size, as defined * in <asm/page.h> (currently 8192). * - * Copyright (C) 1998, 1999 Hewlett-Packard Co - * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com> + * Copyright (C) 1998-2000 Hewlett-Packard Co + * Copyright (C) 1998-2000 David Mosberger-Tang <davidm@hpl.hp.com> * Copyright (C) 2000, Goutham Rao <goutham.rao@intel.com> */ @@ -254,4 +254,21 @@ flush_tlb_page (struct vm_area_struct *vma, unsigned long addr) flush_tlb_range(vma->vm_mm, addr, addr + PAGE_SIZE); } +/* + * Flush the TLB entries mapping the virtually mapped linear page + * table corresponding to address range [START-END). + */ +static inline void +flush_tlb_pgtables (struct mm_struct *mm, unsigned long start, unsigned long end) +{ + /* + * XXX fix mmap(), munmap() et al to guarantee that there are no mappings + * across region boundaries. --davidm 00/02/23 + */ + if (rgn_index(start) != rgn_index(end)) { + printk("flush_tlb_pgtables: can't flush across regions!!\n"); + } + flush_tlb_range(mm, ia64_thash(start), ia64_thash(end)); +} + #endif /* _ASM_IA64_PGALLOC_H */ |