On Thu, 2 Jun 2011, Chris Metcalf wrote: > On an architecture without CMPXCHG_LOCAL but with DEBUG_VM enabled, > the VM_BUG_ON() in __pcpu_double_call_return_bool() will cause an early > panic during boot unless we always align cpu_slab properly. > > In principle we could remove the alignment-testing VM_BUG_ON() for > architectures that don't have CMPXCHG_LOCAL, but leaving it in means > that new code will tend not to break x86 even if it is introduced > on another platform, and it's low cost to require alignment. > > Signed-off-by: Chris Metcalf <cmetcalf@xxxxxxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx> > --- > This needs to be pushed for 3.0 to allow arch/tile to boot. > I'm happy to push it but I assume it would be better coming > from an mm or percpu tree. Thanks! > Should also be marked for stable for 2.6.39.x, right? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>