[PATCH 3/3] test: slab_arena -- Verify madvise

[Cyrill Gorcunov]

On Mon, May 06, 2019 at 01:45:20PM +0300, Vladimir Davydov wrote:
> [Cc += Alexander re tests]
> 
> On Wed, May 01, 2019 at 06:50:06PM +0300, Cyrill Gorcunov wrote:
> > Since madvise support depends on sys libraries
> > and kernel version we print error if only small
> > supports it and /proc/self/smaps provide more
> > less decent VmFlags.
> 
> TBO I wouldn't bother testing this feature at all, because it's way too
> platform dependent.

Test does check for /proc/self/smaps file present and for VmFlags entry
present, if neither of it found we just exit silently, without errors.

> 
> Alternatively, we could test it by crashing a process and checking the
> size of the generated core file, but then again it doesn't look like a
> portable way.

Yes, not portable.

> 
> Alexander, any ideas?