diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-07-03 08:30:13 -0500 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-07-29 23:30:43 +0200 |
| commit | dc1324696a158d94176826b2ae30646162563a41 (patch) | |
| tree | c93635eaa6488f4d0757d8d728cad73f3cc8ba08 /fs/exec.c | |
| parent | 8214e2fa9466234119ede2378403f065733d67f2 (diff) | |
| download | lwn-dc1324696a158d94176826b2ae30646162563a41.tar.gz lwn-dc1324696a158d94176826b2ae30646162563a41.zip | |
mm: realtime support
mmu tlb gather parts from Peter Zijlstra
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/exec.c b/fs/exec.c index 8d5f4bd0d6e8..ddaebef9879d 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -502,7 +502,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift) unsigned long length = old_end - old_start; unsigned long new_start = old_start - shift; unsigned long new_end = old_end - shift; - struct mmu_gather *tlb; + struct mmu_gather tlb; BUG_ON(new_start > new_end); @@ -527,12 +527,12 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift) return -ENOMEM; lru_add_drain(); - tlb = tlb_gather_mmu(mm, 0); + tlb_gather_mmu(&tlb, mm, 0); if (new_end > old_start) { /* * when the old and new regions overlap clear from new_end. */ - free_pgd_range(tlb, new_end, old_end, new_end, + free_pgd_range(&tlb, new_end, old_end, new_end, vma->vm_next ? vma->vm_next->vm_start : 0); } else { /* @@ -541,10 +541,10 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift) * have constraints on va-space that make this illegal (IA64) - * for the others its just a little faster. */ - free_pgd_range(tlb, old_start, old_end, new_end, + free_pgd_range(&tlb, old_start, old_end, new_end, vma->vm_next ? vma->vm_next->vm_start : 0); } - tlb_finish_mmu(tlb, new_end, old_end); + tlb_finish_mmu(&tlb, new_end, old_end); /* * shrink the vma to just the new range. |