diff options
| author | Paul Mackerras <paulus@samba.org> | 2007-10-03 15:33:17 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-10-03 15:33:17 +1000 |
| commit | 70f227d8846a8a9b1f36f71c42e11cc7c6e9408d (patch) | |
| tree | fb4dd5c8240bdaada819fb569c01a392b52847b9 /arch/i386/xen/mmu.c | |
| parent | a0c7ce9c877ceef8428798ac91fb794f83609aed (diff) | |
| parent | f778089cb2445dfc6dfd30a7a567925fd8589f1e (diff) | |
Merge branch 'linux-2.6' into for-2.6.24
Diffstat (limited to 'arch/i386/xen/mmu.c')
| -rw-r--r-- | arch/i386/xen/mmu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/i386/xen/mmu.c b/arch/i386/xen/mmu.c index 4ae038aa6c2..874db0cd1d2 100644 --- a/arch/i386/xen/mmu.c +++ b/arch/i386/xen/mmu.c @@ -559,6 +559,9 @@ void xen_exit_mmap(struct mm_struct *mm) put_cpu(); spin_lock(&mm->page_table_lock); - xen_pgd_unpin(mm->pgd); + + /* pgd may not be pinned in the error exit path of execve */ + if (PagePinned(virt_to_page(mm->pgd))) + xen_pgd_unpin(mm->pgd); spin_unlock(&mm->page_table_lock); } |