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From: Claudio Imbrenda <imbrenda@linux.ibm.com>
To: David Hildenbrand <david@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	linux-s390@vger.kernel.org, Heiko Carstens <hca@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Alexander Gordeev <agordeev@linux.ibm.com>,
	Christian Borntraeger <borntraeger@linux.ibm.com>,
	Sven Schnelle <svens@linux.ibm.com>,
	Janosch Frank <frankja@linux.ibm.com>,
	Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
	Matthew Wilcox <willy@infradead.org>,
	Thomas Huth <thuth@redhat.com>
Subject: Re: [PATCH v2 10/10] s390/hugetlb: convert PG_arch_1 code to work on folio->flags
Date: Fri, 10 May 2024 10:45:29 +0200	[thread overview]
Message-ID: <20240510104529.26f68fd8@p-imbrenda> (raw)
In-Reply-To: <36c6bdd3-b010-4b58-b358-395462d8765b@redhat.com>

On Wed, 8 May 2024 20:08:07 +0200
David Hildenbrand <david@redhat.com> wrote:

> On 07.05.24 18:33, Claudio Imbrenda wrote:
> > On Fri, 12 Apr 2024 16:21:20 +0200
> > David Hildenbrand <david@redhat.com> wrote:
> >   
> >> Let's make it clearer that we are always working on folio flags and
> >> never page flags of tail pages.  
> > 
> > please be a little more verbose, and explain what you are doing (i.e.
> > converting usages of page flags to folio flags), not just why.
> >   
> >>
> >> Signed-off-by: David Hildenbrand <david@redhat.com>  
> > 
> > with a few extra words in the description:  
> 
>      Let's make it clearer that we are always working on folio flags and
>      never page flags of tail pages by converting remaining PG_arch_1 users
>      that modify page->flags to modify folio->flags instead.
>      
>      No functional change intended, because we would always have worked with
>      the head page (where page->flags corresponds to folio->flags) and never
>      with tail pages.

this works, thanks!

> 
> 
> > 
> > Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>  
> 
> Thanks for all the review!
> 


  reply	other threads:[~2024-05-10  8:45 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-12 14:21 [PATCH v2 00/10] s390: PG_arch_1+folio cleanups for uv+hugetlb David Hildenbrand
2024-04-12 14:21 ` [PATCH v2 01/10] s390/uv: don't call folio_wait_writeback() without a folio reference David Hildenbrand
2024-04-12 14:21 ` [PATCH v2 02/10] s390/uv: gmap_make_secure() cleanups for further changes David Hildenbrand
2024-05-07 15:27   ` Claudio Imbrenda
2024-04-12 14:21 ` [PATCH v2 03/10] s390/uv: split large folios in gmap_make_secure() David Hildenbrand
2024-05-07 15:43   ` Claudio Imbrenda
2024-04-12 14:21 ` [PATCH v2 04/10] s390/uv: convert PG_arch_1 users to only work on small folios David Hildenbrand
2024-05-07 15:49   ` Claudio Imbrenda
2024-04-12 14:21 ` [PATCH v2 05/10] s390/uv: update PG_arch_1 comment David Hildenbrand
2024-04-12 14:21 ` [PATCH v2 06/10] s390/uv: make uv_convert_from_secure() a static function David Hildenbrand
2024-05-07 15:53   ` Claudio Imbrenda
2024-04-12 14:21 ` [PATCH v2 07/10] s390/uv: convert uv_destroy_owned_page() to uv_destroy_(folio|pte)() David Hildenbrand
2024-05-07 16:25   ` Claudio Imbrenda
2024-04-12 14:21 ` [PATCH v2 08/10] s390/uv: convert uv_convert_owned_from_secure() to uv_convert_from_secure_(folio|pte)() David Hildenbrand
2024-05-07 16:26   ` Claudio Imbrenda
2024-04-12 14:21 ` [PATCH v2 09/10] s390/uv: implement HAVE_ARCH_MAKE_FOLIO_ACCESSIBLE David Hildenbrand
2024-05-07 16:29   ` Claudio Imbrenda
2024-04-12 14:21 ` [PATCH v2 10/10] s390/hugetlb: convert PG_arch_1 code to work on folio->flags David Hildenbrand
2024-05-07 16:33   ` Claudio Imbrenda
2024-05-08 18:08     ` David Hildenbrand
2024-05-10  8:45       ` Claudio Imbrenda [this message]
2024-04-30 18:49 ` [PATCH v2 00/10] s390: PG_arch_1+folio cleanups for uv+hugetlb David Hildenbrand
2024-05-06  8:38   ` Heiko Carstens
2024-05-07 16:34     ` Claudio Imbrenda

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