mm/PARISC: prepare for removing num_physpages and simplify mem_init()
mm/PARISC: prepare for removing num_physpages and simplify mem_init()

Prepare for removing num_physpages and simplify mem_init().

Signed-off-by: Jiang Liu <68ee766e574f18b34b683085865827393efe88bd@huawei.com>
Cc: "James E.J. Bottomley" <78abc16a0671a4bb8f94993f5c9afbb002942fb1@parisc-linux.org>
Cc: Helge Deller <5b1e7895819cf7d6bc77091b09bbfd6d330a4e74@gmx.de>
Cc: Thomas Gleixner <00e4cf8f46a57000a44449bf9dd8cbbcc209fd2a@linutronix.de>
Cc: Michal Hocko <829500b200af6c2a0eca4dfd5c388e6b8fbe8dc6@suse.cz>
Cc: David Rientjes <d8cd2994e15bc61ddb2b113030bda55eebc3a0fe@google.com>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

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