From: David Vrabel <david.vrabel@citrix.com>
To: xen-devel@lists.xensource.com
Cc: David Vrabel <david.vrabel@citrix.com>
Subject: [PATCH] x86: use 'dom0_mem' to limit the number of pages for dom0
Date: Mon, 15 Aug 2011 19:08:33 +0100 [thread overview]
Message-ID: <1ec6c392d40f37032b0c.1313431713@qabil> (raw)
# HG changeset patch
# User David Vrabel <david.vrabel@citrix.com>
# Date 1313404957 -3600
# Node ID 1ec6c392d40f37032b0c845094c7ee6ba69740fd
# Parent 8d6edc3d26d26931f3732a2008fb4818bc7bab2d
x86: use 'dom0_mem' to limit the number of pages for dom0
Use the 'dom0_mem' command line option to set the maximum number of
pages for dom0. dom0 can use then use the XENMEM_maximum_reservation
memory op to automatically find this limit and reduce the size of any
page tables etc.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
diff -r 8d6edc3d26d2 -r 1ec6c392d40f xen/arch/x86/domain_build.c
--- a/xen/arch/x86/domain_build.c Sat Aug 13 10:14:58 2011 +0100
+++ b/xen/arch/x86/domain_build.c Mon Aug 15 11:42:37 2011 +0100
@@ -254,6 +254,8 @@ static unsigned long __init compute_dom0
}
#endif
+ d->max_pages = min(max_pages, avail);
+
return nr_pages;
}
next reply other threads:[~2011-08-15 18:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-15 18:08 David Vrabel [this message]
2011-08-16 0:31 ` [PATCH] x86: use 'dom0_mem' to limit the number of pages for dom0 Konrad Rzeszutek Wilk
2011-08-16 12:29 ` David Vrabel
2011-08-16 12:51 ` Ian Campbell
2011-08-16 13:11 ` David Vrabel
2011-08-19 15:35 ` David Vrabel
2011-08-23 9:01 ` Jan Beulich
2011-08-23 9:26 ` Keir Fraser
2011-08-23 9:41 ` Jan Beulich
2011-08-23 12:03 ` Keir Fraser
2011-08-23 15:54 ` David Vrabel
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