[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20160127041821.GQ2948@linux.intel.com>
Date: Tue, 26 Jan 2016 23:18:21 -0500
From: Matthew Wilcox <willy@...ux.intel.com>
To: Andy Lutomirski <luto@...capital.net>
Cc: Matthew Wilcox <matthew.r.wilcox@...el.com>,
Ingo Molnar <mingo@...hat.com>,
Kees Cook <keescook@...omium.org>,
Andrew Morton <akpm@...ux-foundation.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [PATCH 2/3] mm: Convert vm_insert_pfn_prot to vmf_insert_pfn_prot
On Mon, Jan 25, 2016 at 09:35:36AM -0800, Andy Lutomirski wrote:
> On Mon, Jan 25, 2016 at 9:25 AM, Matthew Wilcox
> <matthew.r.wilcox@...el.com> wrote:
> > From: Matthew Wilcox <willy@...ux.intel.com>
> >
> > Other than the name, the vmf_ version takes a pfn_t parameter, and
> > returns a VM_FAULT_ code suitable for returning from a fault handler.
> >
> > This patch also prevents vm_insert_pfn() from returning -EBUSY.
> > This is a good thing as several callers handled it incorrectly (and
> > none intentionally treat -EBUSY as a different case from 0).
> >
> > Signed-off-by: Matthew Wilcox <willy@...ux.intel.com>
>
> This would be even nicer if you added vmf_insert_pfn as well :)
I've sent out patches adding it before ... my most recent attempt on
January 5th tied up with the DAX support for 1GB pages. I'll keep
sending it until it sticks :-)
Powered by blists - more mailing lists