2.6.35-longterm review patch.  If anyone has any objections, please let me know.

------------------
From: Kamal Mostafa <[email protected]>

commit 9a6d44b9adb777ca9549e88cd55bd8f2673c52a2 upstream.

Emit warning when "mem=nopentium" is specified on any arch other
than x86_32 (the only that arch supports it).

Signed-off-by: Kamal Mostafa <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
BugLink: http://bugs.launchpad.net/bugs/553464
Cc: Yinghai Lu <[email protected]>
Cc: Len Brown <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 arch/x86/kernel/e820.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

Index: linux-2.6.35.y/arch/x86/kernel/e820.c
===================================================================
--- linux-2.6.35.y.orig/arch/x86/kernel/e820.c  2011-03-29 23:03:02.252242542 
-0700
+++ linux-2.6.35.y/arch/x86/kernel/e820.c       2011-03-29 23:03:02.270242081 
-0700
@@ -980,12 +980,15 @@
        if (!p)
                return -EINVAL;
 
-#ifdef CONFIG_X86_32
        if (!strcmp(p, "nopentium")) {
+#ifdef CONFIG_X86_32
                setup_clear_cpu_cap(X86_FEATURE_PSE);
                return 0;
-       }
+#else
+               printk(KERN_WARNING "mem=nopentium ignored! (only supported on 
x86_32)\n");
+               return -EINVAL;
 #endif
+       }
 
        userdef = 1;
        mem_size = memparse(p, &p);

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