> Memory fails me.  Why do some architectures (arm, arm64, x86_64) want
> huge_pmd_[un]share() while other architectures (ia64, tile, mips,
> powerpc, metag, sh, s390) do not?

Potentially laziness/ignorance-of-feature?  It looks like this feature started 
on x86_64 and then spread
to arm*.

Huge pages are weird on ia64 in that they have to be in a specific range of 
virtual addresses (region 4).
But I don't see why that would prevent sharing pmd's.

-Tony

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

Reply via email to