From 511a4f5ab30a36fdaa48fb0d146cfc3f123b4f0a Mon Sep 17 00:00:00 2001 From: Izik Eidus Date: Tue, 28 Jul 2009 19:14:26 +0300 Subject: [PATCH] kvm userspace: ksm support rfc for ksm support to kvm userpsace. Signed-off-by: Izik Eidus Signed-off-by: Mark McLoughlin Fedora-patch: qemu-add-ksm-support.patch --- exec.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/exec.c b/exec.c index 2134697..88bcff5 100644 --- a/exec.c +++ b/exec.c @@ -2578,6 +2578,9 @@ 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; -- 1.6.2.5