projects / pve-qemu-kvm.git / blame
| Commit | Line | Data |
|---|---|---|
| 4676c0af DM |
1 | From: Izik Eidus <ieidus@redhat.com> |
| 2 | Date: Thu, 8 Oct 2009 14:39:39 +0000 (+0200) | |
| 3 | Subject: ksm support | |
| 4 | X-Git-Url: http://git.kernel.org/?p=virt%2Fkvm%2Fqemu-kvm.git;a=commitdiff_plain;h=ccb167e9d7d460a7cd09fdabd848efd3606dd27e | |
| 5 | ||
| 6 | ksm support | |
| 7 | ||
| 8 | patch is slighly modified by <support@proxmox.com> for old libc | |
| 9 | ||
| 10 | Call MADV_MERGEABLE on guest memory allocations. MADV_MERGABLE will be | |
| 11 | available starting in Linux 2.6.32. This system call registers a region of | |
| 12 | virtual address space with Linux as a candidate for transparent memory | |
| 13 | sharing. | |
| 14 | ||
| 15 | Patchworks-ID: 35447 | |
| 16 | Signed-off-by: Izik Eidus <ieidus@redhat.com> | |
| 17 | Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> | |
| 18 | --- | |
| 19 | ||
| 20 | Index: qemu-kvm/exec.c | |
| 21 | =================================================================== | |
| 22 | --- qemu-kvm.orig/exec.c 2009-12-21 10:37:57.000000000 +0100 | |
| 23 | +++ qemu-kvm/exec.c 2009-12-21 11:22:34.000000000 +0100 | |
| 24 | @@ -48,6 +48,9 @@ | |
| 25 | #include <qemu.h> | |
| 26 | #endif | |
| 27 | ||
| 28 | +/* our libc does not define it */ | |
| 29 | +#define MADV_MERGEABLE 12 | |
| 30 | + | |
| 31 | //#define DEBUG_TB_INVALIDATE | |
| 32 | //#define DEBUG_FLUSH | |
| 33 | //#define DEBUG_TLB |