Re: [PATCH 4/4] riscv: Make mmap allocation top-down by default

To: Alexandre Ghiti <alex@xxxxxxxx>
Subject: Re: [PATCH 4/4] riscv: Make mmap allocation top-down by default
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Fri, 22 Mar 2019 06:22:46 -0700
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Will Deacon <will.deacon@xxxxxxx>, Ralf Baechle <ralf@xxxxxxxxxxxxxx>, Paul Burton <paul.burton@xxxxxxxx>, James Hogan <jhogan@xxxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxx>, Albert Ou <aou@xxxxxxxxxxxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Luis Chamberlain <mcgrof@xxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <20190322074225.22282-5-alex@ghiti.fr>
User-agent: Mutt/1.9.2 (2017-12-15)

> +config HAVE_ARCH_MMAP_RND_BITS
> +	def_bool y

This already is defined in arch/Kconfig, no need to duplicate it
here, just add a select statement.

Follow-Ups:
- Re: [PATCH 4/4] riscv: Make mmap allocation top-down by default
  - From: Alex Ghiti

References:
- [PATCH 0/4] Provide generic top-down mmap layout functions
  - From: Alexandre Ghiti
- [PATCH 4/4] riscv: Make mmap allocation top-down by default
  - From: Alexandre Ghiti