There are two calls to update_mmu_cache in fremap.c, both defective.
The one in install_page needs to be accompanied by lazy_mmu_prot_update
(some other cleanup time, move that into ia64 update_mmu_cache itself); and
the one in install_file_pte should be removed since the pte is not present.
Signed-off-by: Hugh Dickins <[email protected]>
---
mm/fremap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 2.6.17-rc5/mm/fremap.c 2006-01-03 03:21:10.000000000 +0000
+++ linux/mm/fremap.c 2006-05-26 17:55:29.000000000 +0100
@@ -83,6 +83,7 @@ int install_page(struct mm_struct *mm, s
page_add_file_rmap(page);
pte_val = *pte;
update_mmu_cache(vma, addr, pte_val);
+ lazy_mmu_prot_update(pte_val);
err = 0;
unlock:
pte_unmap_unlock(pte, ptl);
@@ -114,7 +115,6 @@ int install_file_pte(struct mm_struct *m
set_pte_at(mm, addr, pte, pgoff_to_pte(pgoff));
pte_val = *pte;
- update_mmu_cache(vma, addr, pte_val);
pte_unmap_unlock(pte, ptl);
err = 0;
out:
-
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