diff options
author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-05-19 11:54:00 +0100 |
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committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-05-19 11:54:00 +0100 |
commit | 7063e6c717f6108c4b3fc3135a516c86ef944870 (patch) | |
tree | ec6eec10b4dc93474100e6e366df028bd3314fda /mm/memory.c | |
parent | 7ca0026495dbb644b4e32ede76be44072cb2bc7a (diff) | |
parent | 05d3794aa8bd3b2c9f7920a05003c331cdeb75c5 (diff) |
Merge with master.kernel.org:/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 6bad4c4064e..d209f745db7 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; } /* |