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SubjectRe: [PATCH 5/5] lib/nodemask: inline next_node_in() and node_random()
On Sat, Aug 13, 2022 at 6:15 AM Guenter Roeck <linux@roeck-us.net> wrote:
>
> On Thu, Jul 28, 2022 at 08:46:40PM -0700, Guenter Roeck wrote:
> > On Sun, Jul 10, 2022 at 09:47:11PM -0700, Yury Norov wrote:
> > > The functions are pretty thin wrappers around find_bit engine, and
> > > keeping them in c-file prevents compiler from small_const_nbits()
> > > optimization, which must take place for all systems with MAX_NUMNODES
> > > less than BITS_PER_LONG (default is 16 for me).
> > >
> > > Moving them in header file doesn't blow up the kernel size:
> > > add/remove: 1/2 grow/shrink: 9/5 up/down: 968/-88 (880)
> > >
> > > Signed-off-by: Yury Norov <yury.norov@gmail.com>
> >
> > This patch results in
> >
> > Building powerpc:allmodconfig ... failed
> > --------------
> > Error log:
> > In file included from include/linux/nodemask.h:97,
> > from include/linux/sched.h:22,
> > from include/linux/sched/mm.h:7,
> > from arch/powerpc/lib/feature-fixups.c:16:
> > include/linux/random.h: In function 'add_latent_entropy':
> > include/linux/random.h:25:46: error: 'latent_entropy' undeclared
> >
> > and many more similar errors when trying to compile ppc:allmodconfig.
> >
>
> As a follow-up on this: The problem is still seen and now made it
> into the mainline kernel.

I submitted the patch:
https://www.spinics.net/lists/kernel/msg4468633.html

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