Note:-

1) Backup stock boot.img then flash this kernel.
2) Magisk Recommended to flash custom Kernels or else Soft Brick .

Changelog:-

1) Kernel upstream to 4.14.185
2) Tried to fix ram management issue on MIUI as said by some users , check this now and report .
3) If u want to flash this kernel on MIUI add -dtbo to the zip name.
4) Charging should be improved on MIUI now check this and report .

By - @karthik558

Thanks @panchajanya1999 , @uditkarode , @sakhatlonda