diff options
Diffstat (limited to 'sys-kernel/openvz-sources/files/openvz-sources-2.6.27.2.1-check-for-no-mmaps.patch')
| -rw-r--r-- | sys-kernel/openvz-sources/files/openvz-sources-2.6.27.2.1-check-for-no-mmaps.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sys-kernel/openvz-sources/files/openvz-sources-2.6.27.2.1-check-for-no-mmaps.patch b/sys-kernel/openvz-sources/files/openvz-sources-2.6.27.2.1-check-for-no-mmaps.patch new file mode 100644 index 000000000000..451489ad424e --- /dev/null +++ b/sys-kernel/openvz-sources/files/openvz-sources-2.6.27.2.1-check-for-no-mmaps.patch @@ -0,0 +1,29 @@ +From: Cyrill Gorcunov <gorcunov@openvz.org> +Date: Thu, 23 Apr 2009 09:47:54 +0000 (+0400) +Subject: mm: check for no mmaps in exit_mmap() +X-Git-Url: http://git.openvz.org/?p=linux-2.6.27-openvz;a=commitdiff_plain;h=acfd6c89981b9de80b96741380780ffe6c87a15d + +mm: check for no mmaps in exit_mmap() + +Backported commit dcd4a049 from the mainstream. + +http://bugzilla.openvz.org/show_bug.cgi?id=1230 + +Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> +Signed-off-by: Pavel Emelyanov <xemul@openvz.org> +--- + +diff --git a/mm/mmap.c b/mm/mmap.c +index 564186a..2679a9c 100644 +--- a/mm/mmap.c ++++ b/mm/mmap.c +@@ -2133,6 +2133,9 @@ void exit_mmap(struct mm_struct *mm) + arch_exit_mmap(mm); + mmu_notifier_release(mm); + ++ if (!vma) /* Can happen if dup_mmap() received an OOM */ ++ return; ++ + lru_add_drain(); + flush_cache_mm(mm); + tlb = tlb_gather_mmu(mm, 1); |