Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Thu, 5 Aug 2021 19:52:58 +0200
From:   Adam Borowski <kilobyte@angband.pl>
To:     David Howells <dhowells@redhat.com>
Cc:     Anna Schumaker <anna.schumaker@netapp.com>,
        Trond Myklebust <trond.myklebust@hammerspace.com>,
        Jeff Layton <jlayton@redhat.com>,
        Steve French <sfrench@samba.org>,
        Dominique Martinet <asmadeus@codewreck.org>,
        Mike Marshall <hubcap@omnibond.com>,
        Miklos Szeredi <miklos@szeredi.hu>,
        "Matthew Wilcox (Oracle)" <willy@infradead.org>,
        Shyam Prasad N <nspmangalore@gmail.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        linux-cachefs@redhat.com, linux-afs@lists.infradead.org,
        linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org,
        ceph-devel@vger.kernel.org, v9fs-developer@lists.sourceforge.net,
        devel@lists.orangefs.org, linux-mm@kvack.org,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Canvassing for network filesystem write size vs page size
Message-ID: <YQwlehFilahEZg2T@angband.pl>
References: <YQv+iwmhhZJ+/ndc@casper.infradead.org>
 <YQvpDP/tdkG4MMGs@casper.infradead.org>
 <YQvbiCubotHz6cN7@casper.infradead.org>
 <1017390.1628158757@warthog.procyon.org.uk>
 <1170464.1628168823@warthog.procyon.org.uk>
 <1186271.1628174281@warthog.procyon.org.uk>
 <1219713.1628181333@warthog.procyon.org.uk>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <1219713.1628181333@warthog.procyon.org.uk>
Precedence: bulk

On Thu, Aug 05, 2021 at 05:35:33PM +0100, David Howells wrote:
>  - a complete folio currently is limited to PMD_SIZE or order 8, but could
>    theoretically go up to about 2GiB before various integer fields have to be
>    modified (not to mention the memory allocator).

No support for riscv 512GB pages? :p


-- 
⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ The ill-thought conversion to time64_t will make us suffer from
⢿⡄⠘⠷⠚⠋⠀ the Y292B problem.  So let's move the Epoch by 435451400064000000
⠈⠳⣄⠀⠀⠀⠀ and make it unsigned -- that'll almost double the range.