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[Xen-devel] [PATCH 03/14]: libxenlight, 8MB slack for PV domains
| To: | Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] [PATCH 03/14]: libxenlight, 8MB slack for PV domains |
| From: | Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx> |
| Date: | Mon, 30 Nov 2009 14:10:58 -0500 |
| Cc: | |
| Delivery-date: | Mon, 30 Nov 2009 11:11:50 -0800 |
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Contemplate 8MB of slack for PV domains, since they do ballooning (or flipping network rx) and need some extra room in their pfn space. Signed-off-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx> # HG changeset patch
# User Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>
# Date 1259252810 18000
# Node ID 5b7eed595f810af6a78aa17f28bfbdc0e5d11413
# Parent eba3584b89d66e702fe9c193c0391b379b9248a0
Contemplate 8MB of slack for PV domains, since they
do ballooning (or flipping network rx) and need
some extra room in their pfn space.
Signed-off-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>
diff -r eba3584b89d6 -r 5b7eed595f81 libxl_dom.c
--- a/libxl_dom.c
+++ b/libxl_dom.c
@@ -53,7 +53,8 @@ int build_pre(struct libxl_ctx *ctx, uin
xc_set_hvm_param(ctx->xch, domid, HVM_PARAM_VPT_ALIGN, (unsigned long)
info->vpt_align);
xc_domain_max_vcpus(ctx->xch, domid, info->max_vcpus);
xc_domain_setmaxmem(ctx->xch, domid, info->max_memkb + info->video_memkb);
- xc_domain_set_memmap_limit(ctx->xch, domid, info->max_memkb);
+ xc_domain_set_memmap_limit(ctx->xch, domid,
+ (info->hvm) ? info->max_memkb : (info->max_memkb + (8*1024)));
if (info->hvm) {
unsigned long shadow;
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