Re: [RFC][PATCH] Add __GFP_ZERO to alloc_cpumask_var_node() if ptr is zero

From: Rusty Russell
Date: Sun Dec 06 2015 - 22:14:09 EST


Ingo Molnar <mingo@xxxxxxxxxx> writes:
> * Rusty Russell <rusty@xxxxxxxxxxxxxxx> wrote:
>> I don't think there are great answers here. But adding more subtle zeroing
>> semantics feels wrong, even if it will mostly Just Work.
>
> It's not subtle if the naming clearly reflects it (hence my suggestion to rename
> the API) - and the status quo for on-stack allocations is zeroing anyway, so it's
> not a big jump...

True, but we already have zalloc_cpumask_var() though if we want that?

It probably makes sense to just switch everyone to that and get rid of
the non-z one?

Cheers,
Rusty.
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