diff options
| author | <jgarzik@pretzel.yyz.us> | 2005-05-27 22:08:07 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-05-27 22:08:07 -0400 |
| commit | 51a730d758ae4052e10ca7e06336f10af598c4fc (patch) | |
| tree | b76a004c00cd7139659be515ee03398e47067290 /mm/memory.c | |
| parent | 6cd15a9daf826115356f9403494c76e5aafa7793 (diff) | |
| parent | ff0e0ea2f5d36fa90fc2c57fd019102b0a0cfabf (diff) | |
Automatic merge of /spare/repo/netdev-2.6 branch we18-ieee80211
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/mm/memory.c b/mm/memory.c index 6bad4c4064e7..d209f745db7f 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1701,12 +1701,13 @@ static int do_swap_page(struct mm_struct * mm, spin_lock(&mm->page_table_lock); page_table = pte_offset_map(pmd, address); if (unlikely(!pte_same(*page_table, orig_pte))) { - pte_unmap(page_table); - spin_unlock(&mm->page_table_lock); - unlock_page(page); - page_cache_release(page); ret = VM_FAULT_MINOR; - goto out; + goto out_nomap; + } + + if (unlikely(!PageUptodate(page))) { + ret = VM_FAULT_SIGBUS; + goto out_nomap; } /* The page isn't present yet, go ahead with the fault. */ @@ -1741,6 +1742,12 @@ static int do_swap_page(struct mm_struct * mm, spin_unlock(&mm->page_table_lock); out: return ret; +out_nomap: + pte_unmap(page_table); + spin_unlock(&mm->page_table_lock); + unlock_page(page); + page_cache_release(page); + goto out; } /* |