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authorJeff Dike <jdike@addtoit.com>2007-05-06 14:51:49 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-07 12:13:04 -0700
commit1e7371c1a11f041d641cc0ff113bf1daa1bd98b9 (patch)
treee4f1b45a9e47239ca0ff75fe4ee65b327bad3da3 /arch/um
parent16dd07bc6404c8da0bdfeb7a5cde4e4a63991c00 (diff)
downloadlinux-2.6.34-ux500-1e7371c1a11f041d641cc0ff113bf1daa1bd98b9.tar.gz
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>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/kernel/skas/tlb.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/um/kernel/skas/tlb.c b/arch/um/kernel/skas/tlb.c
index b3d722ddde3..c0f0693743b 100644
--- a/arch/um/kernel/skas/tlb.c
+++ b/arch/um/kernel/skas/tlb.c
@@ -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)