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Fri, 3 Jan 2025 14:53:59 +0000 (GMT) Date: Fri, 3 Jan 2025 15:53:56 +0100 From: Claudio Imbrenda To: "Matthew Wilcox (Oracle)" Cc: David Hildenbrand , linux-mm@kvack.org, linux-s390@vger.kernel.org Subject: Re: [PATCH 0/2] s390: Remove uses of page->index Message-ID: <20250103155356.01c50a59@p-imbrenda> In-Reply-To: <20241219162252.1025317-1-willy@infradead.org> References: <20241219162252.1025317-1-willy@infradead.org> Organization: IBM X-Mailer: Claws Mail 4.3.0 (GTK 3.24.43; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: qr-DhFhn_7fBi8QloRUo_Pd0D6RqA2xW X-Proofpoint-ORIG-GUID: qr-DhFhn_7fBi8QloRUo_Pd0D6RqA2xW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 malwarescore=0 mlxscore=0 priorityscore=1501 lowpriorityscore=0 impostorscore=0 spamscore=0 adultscore=0 suspectscore=0 mlxlogscore=694 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501030128 X-Rspamd-Server: rspam05 X-Stat-Signature: aruemd1gb5hnaga3gxyb1jujdrotjyeo X-Rspamd-Queue-Id: 8ABD614000C X-Rspam-User: X-HE-Tag: 1735916012-772638 X-HE-Meta: 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 QG73VwQ/ piXVv2Il9jyRRu2vmxExTZmO7ba38zpeQLiLq1GL9iH3RdrnUrAFLQITeNnAocLSrue1Pn87Tc6koRIh2FAHjjl1w5KLwyJZD+6kVAQXXHAeuo8E8JoJ76e+xI7KBtxuKCp0H5wEV8ku6ZcpJL7yeNnp60gOrYAdOMKvalrIDdqRq6JIGin02JguMTPdTwvfANoTXEzHHEHLIpC0k0C/hHY2uFf15vlPHLfOlxxR5UQwRN/fGh6EfXaZYx3FidgR2RXRvkXYVauWYJQiy1RWXjY7D7A== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 19 Dec 2024 16:22:48 +0000 "Matthew Wilcox (Oracle)" wrote: > These two patches compile ... I can promise nothing more than that. hi, I appreciate the effort, but I'm actually working on a series to completely stop using page->index and page->lru . It works, only needs reviews and some proper testing; I will send it out next week. if David can send a polished version of his patch, I can pick it, otherwise I'll polish the WIP he has already sent. @David: can you please polish and resend your patch? with that done, this whole series becomes moot (sorry) > > David suggested to me that the gmap code really should be using ptdesc, > and I think I agree with him. The vsie code looks quite different > and probably shouldn't be using a ptdesc, but we can use page->private > instead of page->index. It's not yet clear to me if we'll ever manage > to get rid of page->private. > > Matthew Wilcox (Oracle) (2): > s390: Convert gmap code to use ptdesc > s390: Convert vsie code to use page->private > > arch/s390/kvm/vsie.c | 6 +- > arch/s390/mm/gmap.c | 181 +++++++++++++++++++++---------------------- > 2 files changed, 92 insertions(+), 95 deletions(-) >