diff options
| author | Jeff Dike <jdike@addtoit.com> | 2007-05-06 23:51:49 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 21:13:04 +0200 |
| commit | 1e7371c1a11f041d641cc0ff113bf1daa1bd98b9 (patch) | |
| tree | e4f1b45a9e47239ca0ff75fe4ee65b327bad3da3 /arch/um/kernel | |
| parent | uml: more page fault path trimming (diff) | |
| download | linux-1e7371c1a11f041d641cc0ff113bf1daa1bd98b9.tar.xz linux-1e7371c1a11f041d641cc0ff113bf1daa1bd98b9.zip | |
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/kernel')
| -rw-r--r-- | arch/um/kernel/skas/tlb.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/um/kernel/skas/tlb.c b/arch/um/kernel/skas/tlb.c index b3d722ddde31..c0f0693743ba 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) |