Commit-ID: 7ba127ff0905ef6f6abb5cab378ec28cd03a49ef
Gitweb: http://git.kernel.org/tip/7ba127ff0905ef6f6abb5cab378ec28cd03a49ef
Author: Sasha Levin <levinsasha928@xxxxxxxxx>
AuthorDate: Sun, 3 Jul 2011 02:52:09 +0300
Committer: Pekka Enberg <penberg@xxxxxxxxxx>
CommitDate: Sat, 2 Jul 2011 13:07:45 +0300
kvm tools: Advise memory allocated for guest RAM as KSM mergable
Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx>
---
tools/kvm/kvm.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/tools/kvm/kvm.c b/tools/kvm/kvm.c
index 23d31a3..2f5d633 100644
--- a/tools/kvm/kvm.c
+++ b/tools/kvm/kvm.c
@@ -346,6 +346,8 @@ struct kvm *kvm__init(const char *kvm_dev, u64 ram_size, const char *name)
if (kvm->ram_start == MAP_FAILED)
die("out of memory");
+ madvise(kvm->ram_start, kvm->ram_size, MADV_MERGEABLE);
+
ret = ioctl(kvm->vm_fd, KVM_CREATE_IRQCHIP);
if (ret < 0)
die_perror("KVM_CREATE_IRQCHIP ioctl");
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|