diff options
author | Jeff Dike <jdike@addtoit.com> | 2007-05-06 17:51:49 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 15:13:04 -0400 |
commit | 1e7371c1a11f041d641cc0ff113bf1daa1bd98b9 (patch) | |
tree | e4f1b45a9e47239ca0ff75fe4ee65b327bad3da3 | |
parent | 16dd07bc6404c8da0bdfeb7a5cde4e4a63991c00 (diff) |
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>
-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) | |||
89 | 89 | ||
90 | void force_flush_all_skas(void) | 90 | void force_flush_all_skas(void) |
91 | { | 91 | { |
92 | unsigned long end = proc_mm ? task_size : CONFIG_STUB_START; | 92 | struct mm_struct *mm = current->mm; |
93 | fix_range(current->mm, 0, end, 1); | 93 | struct vm_area_struct *vma = mm->mmap; |
94 | |||
95 | while(vma != NULL) { | ||
96 | fix_range(mm, vma->vm_start, vma->vm_end, 1); | ||
97 | vma = vma->vm_next; | ||
98 | } | ||
94 | } | 99 | } |
95 | 100 | ||
96 | void flush_tlb_page_skas(struct vm_area_struct *vma, unsigned long address) | 101 | void flush_tlb_page_skas(struct vm_area_struct *vma, unsigned long address) |