This patch is not for inclusion just rfc.
Thanks.
>From 1297b86aa257100b3d819df9f9f0932bf4f7f49d Mon Sep 17 00:00:00 2001
From: Izik Eidus <iei...@redhat.com>
Date: Tue, 28 Jul 2009 19:14:26 +0300
Subject: [PATCH] kvm userspace: ksm support
rfc for ksm support to kvm userpsace.
thanks
Signed-off-by: Izik Eidus <iei...@redhat.com>
---
exec.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/exec.c b/exec.c
index f6d9ec9..375cc18 100644
--- a/exec.c
+++ b/exec.c
@@ -2595,6 +2595,9 @@ ram_addr_t qemu_ram_alloc(ram_addr_t size)
new_block->host = file_ram_alloc(size, mem_path);
if (!new_block->host) {
new_block->host = qemu_vmalloc(size);
+#ifdef MADV_MERGEABLE
+ madvise(new_block->host, size, MADV_MERGEABLE);
+#endif
}
new_block->offset = last_ram_offset;
new_block->length = size;
--
1.5.6.5
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