Re: [PATCH v2 32/33] tools/testing/vma: default VMA, mm flag bits to 64-bit

[Lorenzo Stoakes <ljs@kernel.org>]

On Fri, Jul 10, 2026 at 05:08:30PM -0400, Gregory Price wrote:
> On Fri, Jul 10, 2026 at 09:17:13PM +0100, Lorenzo Stoakes wrote:
> > With all of the sanitisers turned on, setting the VMA and mm flag bits
> > depth to 128 by default results in overly long build times.
> >
> > Reduce this to 64 - we can always manipulate these later for testing of
> > larger bitmaps as needed.
> >
> > Signed-off-by: Lorenzo Stoakes <ljs@kernel.org>
>
> I've never had a "too main recipients" error with my email client
> before.  Bravo.

Yeah I kinda just let b4 add recipients unlike the 1st where I trimmed. Any v3
will be trimmed again because even my usually super reliable mail client is
err... slow on this thread :)

(Apologies all for noise...!)

>
> Reviewed-by: Gregory Price <gourry@gourry.net>

Thanks!

>
> > ---
> >  tools/testing/vma/Makefile | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/tools/testing/vma/Makefile b/tools/testing/vma/Makefile
> > index e72b45dedda5..ef6cc558afe1 100644
> > --- a/tools/testing/vma/Makefile
> > +++ b/tools/testing/vma/Makefile
> > @@ -10,7 +10,7 @@ OFILES = $(SHARED_OFILES) main.o shared.o maple-shim.o
> >  TARGETS = vma
> >
> >  # These can be varied to test different sizes.
> > -CFLAGS += -DNUM_VMA_FLAG_BITS=128 -DNUM_MM_FLAG_BITS=128
> > +CFLAGS += -DNUM_VMA_FLAG_BITS=64 -DNUM_MM_FLAG_BITS=64
> >
> >  main.o: main.c shared.c shared.h vma_internal.h tests/merge.c tests/mmap.c tests/vma.c ../../../mm/vma.c ../../../mm/vma_init.c ../../../mm/vma_exec.c ../../../mm/vma.h include/custom.h include/dup.h include/stubs.h
> >
> >
> > --
> > 2.55.0
> >

Cheers, Lorenzo