diff options
| author | <jgarzik@pretzel.yyz.us> | 2005-05-26 01:47:10 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-05-26 01:47:10 -0400 |
| commit | 949d33e70f2c3e93bfe5265a50e40175b1ab1ec1 (patch) | |
| tree | ca88fd8f8f81b167dc4685ed34e9636f267db60d /mm/memory.c | |
| parent | b095518ef51c37658c58367bd19240b8a113f25c (diff) | |
| parent | bef9c558841604116704e10b3d9ff3dbf4939423 (diff) | |
Automatic merge of rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git branch HEAD
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; } /* |