[PATCH] kernel: smp: Remove unnecessary (void*) conversions

[Li zeming]

This patch shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kernel-smp-remove-unnecessary-void-conversions.patch

This patch later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm