From: Matthew Wilcox <willy@infradead.org>
To: David Hildenbrand <david@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: The future of PageAnonExclusive
Date: Wed, 11 Dec 2024 16:11:55 +0000 [thread overview]
Message-ID: <Z1m5y0R5fttFN5o8@casper.infradead.org> (raw)
In-Reply-To: <42869071-64a9-47d1-867d-9ddede6bf430@redhat.com>
On Wed, Dec 11, 2024 at 04:50:12PM +0100, David Hildenbrand wrote:
> On 11.12.24 16:45, Matthew Wilcox wrote:
> > [1] https://kernelnewbies.org/MatthewWilcox/Memdescs
> >
> > Don't get too excited about "we're almost out of types". The "managed"
> > type has subtypes. We could also collapse "file" and "anon" into a
> > single type and distinguish between them with a bit in the folio.
> >
> > Anyway, yes, we can do one per-page flag. Two per-page flags starts to
> > get dicey.
>
> hwpoison? :/
type 9! My thinking is that the hwpoison type contains an orig_memdesc
field, as well as whatever else is needed to describe the hwpoison that
was discovered (start, length, what else?)
next prev parent reply other threads:[~2024-12-11 16:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-11 11:55 The future of PageAnonExclusive David Hildenbrand
2024-12-11 11:56 ` David Hildenbrand
2024-12-11 13:42 ` Kirill A. Shutemov
2024-12-11 13:48 ` David Hildenbrand
2024-12-11 14:25 ` Ryan Roberts
2024-12-11 14:49 ` David Hildenbrand
2024-12-11 15:45 ` Matthew Wilcox
2024-12-11 15:50 ` David Hildenbrand
2024-12-11 16:11 ` Matthew Wilcox [this message]
2024-12-11 16:15 ` David Hildenbrand
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