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uml: only flush areas covered by VMA 

When doing a full address space flush, only look at areas covered by a VMA.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Dike 2007-05-06 14:51:49 -07:00 committed by Linus Torvalds
parent 16dd07bc64
commit 1e7371c1a1
1 changed files with 7 additions and 2 deletions
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9
arch/um/kernel/skas/tlb.c
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@ -89,8 +89,13 @@ void flush_tlb_mm_skas(struct mm_struct *mm)
void force_flush_all_skas(void)
{
unsigned long end = proc_mm ? task_size : CONFIG_STUB_START;
fix_range(current->mm, 0, end, 1);
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma = mm->mmap;
while(vma != NULL) {
fix_range(mm, vma->vm_start, vma->vm_end, 1);
vma = vma->vm_next;
}
}
void flush_tlb_page_skas(struct vm_area_struct *vma, unsigned long address)