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Date: Thu, 27 Mar 2008 17:28:39 -0700 From: Jeremy Fitzhardinge <jeremy@...p.org> To: Ingo Molnar <mingo@...e.hu> Cc: LKML <linux-kernel@...r.kernel.org>, Rusty Russell <rusty@...tcorp.com.au>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>, Yasunori Goto <y-goto@...fujitsu.com>, Christoph Lameter <clameter@....com>, Dave Hansen <dave@...ux.vnet.ibm.com>, Andrew Morton <akpm@...ux-foundation.org> Subject: [PATCH 3 of 4] 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@...rix.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> Cc: Yasunori Goto <y-goto@...fujitsu.com> Cc: Christoph Lameter <clameter@....com> Cc: Dave Hansen <dave@...ux.vnet.ibm.com> --- include/asm-x86/sparsemem.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-x86/sparsemem.h b/include/asm-x86/sparsemem.h --- a/include/asm-x86/sparsemem.h +++ b/include/asm-x86/sparsemem.h @@ -16,7 +16,7 @@ #ifdef CONFIG_X86_32 # ifdef CONFIG_X86_PAE -# define SECTION_SIZE_BITS 30 +# define SECTION_SIZE_BITS 29 # define MAX_PHYSADDR_BITS 36 # define MAX_PHYSMEM_BITS 36 # else -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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