The patch titled
KVM: Fix oops on oom
has been added to the -mm tree. Its filename is
kvm-fix-oops-on-oom.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: KVM: Fix oops on oom
From: Avi Kivity <avi@xxxxxxxxxxxx>
__free_page() doesn't like a NULL argument, so check before calling it. A
NULL can only happen if memory is exhausted during allocation of a memory
slot.
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/kvm/kvm_main.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/kvm/kvm_main.c~kvm-fix-oops-on-oom drivers/kvm/kvm_main.c
--- a/drivers/kvm/kvm_main.c~kvm-fix-oops-on-oom
+++ a/drivers/kvm/kvm_main.c
@@ -245,7 +245,8 @@ static void kvm_free_physmem_slot(struct
if (!dont || free->phys_mem != dont->phys_mem)
if (free->phys_mem) {
for (i = 0; i < free->npages; ++i)
- __free_page(free->phys_mem[i]);
+ if (free->phys_mem[i])
+ __free_page(free->phys_mem[i]);
vfree(free->phys_mem);
}
_
Patches currently in -mm which might be from avi@xxxxxxxxxxxx are
kvm-use-boot_cpu_data-instead-of-current_cpu_data.patch
kvm-simplify-is_long_mode.patch
kvm-initialize-kvm_arch_ops-on-unload.patch
kvm-implement-a-few-system-configuration-msrs.patch
kvm-move-common-msr-handling-to-arch-independent-code.patch
kvm-more-msr-misery.patch
kvm-rename-some-msrs.patch
kvm-fix-oops-on-oom.patch
kvm-fix-gfp_kernel-allocation-in-atomic-section-in-kvm_dev_ioctl_create_vcpu.patch
-
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