Re: [PATCH] selftests/mm: make libnuma-dependent tests optional

On 7/30/26 16:27, Jiangshan Yi wrote:
> The mm selftests Makefile unconditionally builds three test binaries
> that depend on libnuma (migration, ksm_tests, rmap). When libnuma-dev
> is not installed, the build fails with a hard error, inconsistent with
> how the optional liburing dependency is already handled via
> check_config.sh.
> 
> These three tests hard-depend on libnuma at both compile time
> (#include <numa.h>) and link time (-lnuma), confirmed by grepping all
> .c files under tools/testing/selftests/mm/ for numa.h/numaif.h, which
> matches exactly ksm_tests.c, migration.c, and rmap.c.

Hi!

IIRC, liburing was not universally easily available when we added these changes.
libnuma is fairly old. (I might have added that :) )

So why should we bother about setups that don't just want to install libnuma +
headers? The real motivation is lacking.

-- 
Cheers,

David