Re: [PATCH v2] mm: move phys_mem_access_prot_allowed() declaration to pgtable.h

From: Ralf Baechle
Date: Fri Sep 16 2016 - 09:56:20 EST

On Tue, Sep 13, 2016 at 03:26:37PM +0800, Baoyou Xie wrote:

> We get 1 warning when building kernel with W=1:
> drivers/char/mem.c:220:12: warning: no previous prototype for 'phys_mem_access_prot_allowed' [-Wmissing-prototypes]
> int __weak phys_mem_access_prot_allowed(struct file *file,
> In fact, its declaration is spreading to several header files
> in different architecture, but need to be declare in common
> header file.
> So this patch moves phys_mem_access_prot_allowed() to pgtable.h.
> Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>

Acked-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>