x86: sparsemem: reduce i386 PAE section size
authorJeremy Fitzhardinge <jeremy@goop.org>
Fri, 28 Mar 2008 00:28:39 +0000 (17:28 -0700)
committerIngo Molnar <mingo@elte.hu>
Thu, 17 Apr 2008 15:41:33 +0000 (17:41 +0200)
commitfb8e8375394e1156a5a1e7ba53504b141d2365a8
tree7ac145f029f2bd4e8438bf3a0b28bcc8d1d22614
parente937fcf2fa0c1d21f9c0008ab600d46c240a984c
x86: sparsemem: reduce i386 PAE section size

A 1G section size makes memory hotplug too coarse in a virtual
environment.  Retuce it by a factor of 2 to 512M.  I would have liked
to make it smaller, but it runs out of reserved flags in the page flags.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
include/asm-x86/sparsemem.h