Re: [PATCH] Uninline kcalloc()

[Christoph Lameter]

On Mon, 24 Sep 2007, Valdis.Kletnieks@xxxxxx wrote:

> I think I looked at that, and it wasn't as easy as it looked, because there
> were ugly corner cases for what __builtin_return_address() returned depending
> on exactly what did or didn't get inlined. Basically, it's ugly stuff - if you
> try to use __builtin_retur_address inside kcalloc to pass to __kmalloc, and
> then kcalloc gets inlined, you end up passing not the routine you wanted (the
> caller of kcalloc), but the *parent* of that...

Note that this can be done in a clean way in SLUB using slab_alloc() which 
takes a address parameter as obtained from __builtin_return_address().

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/