[LTP] [PATCH 1/3] lapi/mmap: add MAP_32BIT fallback

Petr Vorel pvorel@suse.cz
Fri Sep 11 15:26:27 CEST 2026


> Hi Andrea,

> > +++ b/include/lapi/mmap.h
> > @@ -91,6 +91,10 @@
> >  # define MAP_DROPPABLE 0x08
> >  #endif

> > +#ifndef MAP_32BIT
> > +# define MAP_32BIT 0x40

> I know you guard the tests with .supported_archs to x86_64, but even that
> wouldn't be safer to define 0x40 only for x86_64?

> #ifndef MAP_32BIT
> # if defined __i386__ || defined(__x86_64__)
OK, only #ifdef __x86_64__

Kind regards,
Petr

> #  define MAP_32BIT 0x40
> # else
> #  define MAP_32BIT 0
> # endif
> #endif

> Reviewed-by: Petr Vorel <pvorel@suse.cz>

> Kind regards,
> Petr


More information about the ltp mailing list