mm/damon: deduplicate damon_{reclaim,lru_sort}_apply_parameters()

mainline inclusion
from mainline-v6.2-rc6
commit 233f0b31
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6MRUG

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=233f0b31bd9503ce2be7be0bde69c67287c8a741

--------------------------------

The bodies of damon_{reclaim,lru_sort}_apply_parameters() contain
duplicates.  This commit adds a common function
damon_set_region_biggest_system_ram_default() to remove the duplicates.

Link: https://lkml.kernel.org/r/6329f00d.a70a0220.9bb29.3678SMTPIN_ADDED_BROKEN@mx.google.com


Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Suggested-by: SeongJae Park <sj@kernel.org>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ze Zuo <zuoze1@huawei.com>