From: Larry Bassel <larry.bassel@oracle.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: William Kucharski <william.kucharski@oracle.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC] mm, THP: Map read-only text segments using large THP pages
Date: Thu, 17 May 2018 08:40:55 -0700 [thread overview]
Message-ID: <20180517154055.GB6951@ubuette> (raw)
In-Reply-To: <20180517152333.GA26718@bombadil.infradead.org>
On 17 May 18 08:23, Matthew Wilcox wrote:
>
> I can't find any information on what page sizes SPARC supports.
> Maybe you could point me at a reference? All I've managed to find is
> the architecture manuals for SPARC which believe it is not their purpose
> to mandate an MMU.
>
Page sizes of 8K, 64K, 512K, 4M, 32M, 256M, 2G, 16G are allowed
architecturally -- some of these aren't present in some
SPARC machines. Generally 8K, 64K, 4M, 256M, 2G, 16G are
present on modern machines.
Also note that the SPARC THP page size is 8M (so that it is
PMD aligned).
Larry
next prev parent reply other threads:[~2018-05-17 15:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-14 13:12 [RFC] mm, THP: Map read-only text segments using large THP pages William Kucharski
2018-05-14 15:19 ` Christopher Lameter
2018-05-15 6:59 ` William Kucharski
2018-05-17 7:57 ` Michal Hocko
2018-05-17 14:34 ` William Kucharski
2018-05-17 15:23 ` Matthew Wilcox
2018-05-17 15:40 ` Larry Bassel [this message]
2018-05-17 17:31 ` William Kucharski
2018-05-20 6:26 ` Song Liu
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