Revert "slub: fix panic with DISCONTIGMEM"
Revert "slub: fix panic with DISCONTIGMEM"

This reverts commit 95a52eadb619711712e5e4e4638bb9ddb4f28b98.

This commit is already upstream.

Change-Id: Iee0127f2835eacf04a0fe2c82081a0c17c0908ef
Signed-off-by: Stephen Boyd <010521127f513270fe503d86ab8316ac5147f4b7@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas