Re: [PATCH] change gen_pool allocator to not touch managed memory

[Jes Sorensen]

Robin Holt wrote:
> On Wed, Apr 26, 2006 at 11:12:48AM +0200, Jes Sorensen wrote:
>>> -	if (status)
>>> -		printk(KERN_WARNING "smp_call_function failed for "
>>> -		       "uncached_ipi_mc_drain! (%i)\n", status);
>>> +	(void) smp_call_function(uncached_ipi_mc_drain, NULL, 0, 1);
>> This thing could in theory fail so having the error check there seems
>> the right thing to me. In either case, please don't (void) the function
>> return (this is a style issue, I know).
> 
> I must be blind.  Both up and smp cases for smp_call_function appear to
> always return 0.  What am I missing?

Not on all architectures, at least PPC can return != 0 - dunno if this
is a realistic case though. If not, maybe the prototype for
smp_call_function() ought to be changed.

Cheers,
Jes
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/