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| author | Paul Mackerras <paulus@samba.org> | 2007-10-03 07:33:17 +0200 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-10-03 07:33:17 +0200 |
| commit | 70f227d8846a8a9b1f36f71c42e11cc7c6e9408d (patch) | |
| tree | fb4dd5c8240bdaada819fb569c01a392b52847b9 /arch/i386/xen/mmu.c | |
| parent | [POWERPC] Fix panic in RTAS code (diff) | |
| parent | Merge branch 'sas-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/jgarz... (diff) | |
| download | linux-70f227d8846a8a9b1f36f71c42e11cc7c6e9408d.tar.xz linux-70f227d8846a8a9b1f36f71c42e11cc7c6e9408d.zip | |
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 4ae038aa6c24..874db0cd1d2a 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); } |