diff options
| author | Christoph Hellwig <hch@hera.kernel.org> | 2005-05-27 01:16:24 -0700 |
|---|---|---|
| committer | Christoph Hellwig <hch@melbourne.sgi.com> | 2005-05-27 01:16:24 -0700 |
| commit | b19312c4c8f3f84da57bba01d45549df1cf10dcd (patch) | |
| tree | 1c34ce89be6b4e257bc03026d0268deb17727044 /mm/memory.c | |
| parent | d3870398fafd4911bd84573b78be4b6b762f32b0 (diff) | |
| parent | 4ec5240ec367a592834385893200dd4fb369354c (diff) | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
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; } /* |