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[Xen-changelog] [xen-4.1-testing] x86: don't limit dom0's maximum reserv

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Subject: [Xen-changelog] [xen-4.1-testing] x86: don't limit dom0's maximum reservation by the available memory
From: Xen patchbot-4.1-testing <patchbot@xxxxxxx>
Date: Wed, 24 Aug 2011 21:22:08 +0100
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# HG changeset patch
# User David Vrabel <david.vrabel@xxxxxxxxxx>
# Date 1314174894 -3600
# Node ID c7702b73f3823512864a39380799bf643f0312bf
# Parent  473d6cd9dddf1e573dfc129b7bc055e3e71a489f
x86: don't limit dom0's maximum reservation by the available memory

Set dom0's initial maximum reservation using the max value supplied in
the dom0_mem command line option without limiting it by the available

This allows dom0 to make use of any hotplugged memory without having
to also adjust the maximum reservation.

Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxxxx>
xen-unstable changeset:   23790:1515138fbd7b
xen-unstable date:        Wed Aug 24 09:33:10 2011 +0100

diff -r 473d6cd9dddf -r c7702b73f382 xen/arch/x86/domain_build.c
--- a/xen/arch/x86/domain_build.c       Mon Aug 22 10:16:15 2011 +0100
+++ b/xen/arch/x86/domain_build.c       Wed Aug 24 09:34:54 2011 +0100
@@ -253,7 +253,7 @@
-    d->max_pages = min(max_pages, avail);
+    d->max_pages = min_t(unsigned long, max_pages, UINT_MAX);
     return nr_pages;

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