Re: [PATCH] tvec_bases too large for per-cpu data
From: Andrew Morton
Date: Tue Jan 24 2006 - 03:56:44 EST
"Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:
>
> >- The `#ifdef CONFIG_NUMA' in init_timers_cpu() seems to be unnecessary -
> > kmalloc_node() will use kmalloc() if !NUMA.
>
> That is correct, but I wanted the fallback if kmalloc_node() fails (from briefly looking at that code it didn't
> seem like it would do such fallback itself). And calling kmalloc() twice if !NUMA seemed pointless.
I'm sorry, but how were we to know that? Telepathy?
GFP_KERNEL for these size objects is pretty much infallible anyway, so I
wouldn't worry about it. Or allocate all needed storage a little later in
boot with alloc_percpu().
> >- We prefer to do this:
> >
> > if (expr) {
> > ...
> > } else {
> > ...
> > }
> >
> > and not
> >
> > if (expr) {
> > ...
> > }
> > else {
> > ...
> > }
>
> I can change that, too, but I don't see why this gets pointed out again and again when there really
> is no consistency across the entire kernel...
>
We fix these things up when working on incorrectly laid-out code, but we
rarely bother raising a patch just to fix something like that. We'll get
there eventually.
-
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