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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-03-28 00:28:39 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 15:41:33 (GMT) |
| commit | fb8e8375394e1156a5a1e7ba53504b141d2365a8 (patch) | |
| tree | 7ac145f029f2bd4e8438bf3a0b28bcc8d1d22614 /include | |
| parent | e937fcf2fa0c1d21f9c0008ab600d46c240a984c (diff) | |
| download | linux-fb8e8375394e1156a5a1e7ba53504b141d2365a8.tar.xz | |
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/sparsemem.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-x86/sparsemem.h b/include/asm-x86/sparsemem.h index fa684f3..9bd48b0 100644 --- 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 |