linux-kernel - Re: [RFC v3 3/3] ktest: sys_move_phys

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Message-ID: <ZfnXDfjyHPz9JDSo@memverge.com>
Date: Tue, 19 Mar 2024 14:18:53 -0400
From: Gregory Price <gregory.price@...verge.com>
To: Matthew Wilcox <willy@...radead.org>
Cc: Gregory Price <gourry.memverge@...il.com>, linux-mm@...ck.org,
	linux-api@...r.kernel.org, linux-arch@...r.kernel.org,
	linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
	ying.huang@...el.com, dan.j.williams@...el.com, honggyu.kim@...com,
	corbet@....net, arnd@...db.de, luto@...nel.org,
	akpm@...ux-foundation.org, shuah@...nel.org
Subject: Re: [RFC v3 3/3] ktest: sys_move_phys_pages ktesty

On Tue, Mar 19, 2024 at 02:16:01PM -0400, Gregory Price wrote:
> On Tue, Mar 19, 2024 at 06:08:39PM +0000, Matthew Wilcox wrote:
> > On Tue, Mar 19, 2024 at 05:52:46PM +0000, Matthew Wilcox wrote:
> > > On Tue, Mar 19, 2024 at 01:26:09PM -0400, Gregory Price wrote:
> > > > Implement simple ktest that looks up the physical address via
> > > > /proc/self/pagemap and migrates the page based on that information.
> > > 
> > > What?  LOL.  No.
> > 
> > Also, how is this v3 and the first one to land on linux-mm?
> > 
> > https://lore.kernel.org/linux-mm/?q=move_phys_pages
> > 
> > Also, where is the syscall itself?  The only thing here is the ktest.
> >
> 
> OH, I see the confusion now.
> 
> There were two other versions, and I have experienced this delivery
> failure before, i'm not sure why the other commits have not been delivered.
> 
> Let me look into this.
> 
> ~Gregory
> 

Full set of patches:
https://lore.kernel.org/all/20240319172609.332900-1-gregory.price@memverge.com/

I've experienced silent linux-mm delivery failures like this before, I
still do not understand this issue.

v1:
https://lore.kernel.org/all/20230907075453.350554-1-gregory.price@memverge.com/
v2:
https://lore.kernel.org/all/20230919230909.530174-1-gregory.price@memverge.com/

~Gregory