Revert "mm: Check if section present during memory block (un)registering"
Revert "mm: Check if section present during memory block (un)registering"

This reverts commit 7568fb63f57ac8672f8bf2018171255441238882 as it's
already in Linus's tree through a different patch.

Reported-by: Tony Luck <e7984595ec0368ff920a7b3521dc7093683f6f26@intel.com>
Cc: Yinghai Lu <0674548f4d596393408a51d6287a76ebba2f42aa@kernel.org>
Cc: 4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@vger.kernel.org #v3.15
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs