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| author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-09-18 20:43:31 +0200 |
|---|---|---|
| committer | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-09-18 20:43:31 +0200 |
| commit | ca1b15d645c74e20f638f5a09981bcf02f58caee (patch) | |
| tree | 8a58a4ad1add4fa9c8aa5cb735b62e432263af83 /linux-core/drm_compat.c | |
| parent | c4fad4c96168a3dfabaa8a7e97758fefd014c8a7 (diff) | |
Alternative implementation of page table zeroing using zap page_range.
(Disabled for now)
Fix bo_wait_idle bug.
Remove stray debug message.
Diffstat (limited to 'linux-core/drm_compat.c')
| -rw-r--r-- | linux-core/drm_compat.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/linux-core/drm_compat.c b/linux-core/drm_compat.c index d387678e..e56f6608 100644 --- a/linux-core/drm_compat.c +++ b/linux-core/drm_compat.c @@ -124,6 +124,7 @@ static inline void change_pud_range(struct mm_struct *mm, pgd_t * pgd, * This function should be called with all relevant spinlocks held. */ +#if 1 void drm_clear_vma(struct vm_area_struct *vma, unsigned long addr, unsigned long end) { @@ -146,6 +147,19 @@ void drm_clear_vma(struct vm_area_struct *vma, flush_tlb_range(vma, addr, end); #endif } +#else + +void drm_clear_vma(struct vm_area_struct *vma, + unsigned long addr, unsigned long end) +{ + struct mm_struct *mm = vma->vm_mm; + + spin_unlock(&mm->page_table_lock); + (void) zap_page_range(vma, addr, end - addr, NULL); + spin_lock(&mm->page_table_lock); +} +#endif + pgprot_t vm_get_page_prot(unsigned long vm_flags) { |