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[PATCH] Fix missing pfn variables caused by vm changes 

I image this showed up because of "unused var..." when the changes
occured, because flush_cache_page() is a noop in most places.  This
showed up for me on parisc however, where flush_cache_page() is a real
function.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ben Collins 2005-11-29 11:45:26 -08:00 committed by Linus Torvalds
parent d70aa5e4b5
commit eca351336a
2 changed files with 3 additions and 3 deletions
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4
mm/memory.c
View File

@ -1345,7 +1345,7 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
int reuse = can_share_swap_page(old_page);
unlock_page(old_page);
if (reuse) {
flush_cache_page(vma, address, pfn);
flush_cache_page(vma, address, pte_pfn(orig_pte));
entry = pte_mkyoung(orig_pte);
entry = maybe_mkwrite(pte_mkdirty(entry), vma);
ptep_set_access_flags(vma, address, page_table, entry, 1);
@ -1389,7 +1389,7 @@ gotten:
}
} else
inc_mm_counter(mm, anon_rss);
flush_cache_page(vma, address, pfn);
flush_cache_page(vma, address, pte_pfn(orig_pte));
entry = mk_pte(new_page, vma->vm_page_prot);
entry = maybe_mkwrite(pte_mkdirty(entry), vma);
ptep_establish(vma, address, page_table, entry);

2
mm/rmap.c
View File

@ -641,7 +641,7 @@ static void try_to_unmap_cluster(unsigned long cursor,
continue;
/* Nuke the page table entry. */
flush_cache_page(vma, address, pfn);
flush_cache_page(vma, address, pte_pfn(*pte));
pteval = ptep_clear_flush(vma, address, pte);
/* If nonlinear, store the file page offset in the pte. */