svn commit: r321386 - head/sys/vm

[Ian Lepore]

On Sun, 2017-07-23 at 16:28 +0000, Alan Cox wrote:
> Author: alc
> Date: Sun Jul 23 16:28:13 2017
> New Revision: 321386
> URL: https://svnweb.freebsd.org/changeset/base/321386
> 
> Log:
>   Utilize pmap_enter(..., psind=1) in vm_fault_soft_fast() on
> amd64.  (The
>   Differential Revision discusses the benefits of this change.)
>   
>   Add a function, vm_reserv_to_superpage(), that returns the
> superpage
>   containing the specified base page.
>   
>   Reviewed by:	kib, markj
>   Tested by:	pho
>   MFC after:	10 days
>   Differential Revision:	https://reviews.freebsd.org/D11556
> 
> Modified:
>   head/sys/vm/vm_fault.c
>   head/sys/vm/vm_reserv.c
>   head/sys/vm/vm_reserv.h
> 

Arches that build with old gcc 4.2.1 are complaining:

/b/staging/freebsd/head/src/sys/vm/vm_fault.c:273:6: error: unused
variable 'flags' [-Werror,-Wunused-variable]

-- Ian