From: Matthew Wilcox <willy@infradead.org>
To: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: akpm@linux-foundation.org, hughd@google.com, david@redhat.com,
wangkefeng.wang@huawei.com, shy828301@gmail.com,
dhowells@redhat.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: shmem: fallback to page size splice if large folio has poisoned subpages
Date: Fri, 25 Oct 2024 04:31:23 +0100 [thread overview]
Message-ID: <ZxsRCyBSO-C27Uzn@casper.infradead.org> (raw)
In-Reply-To: <fd3893f318493a3720dc1a4b1c33f0f692ddf125.1729825743.git.baolin.wang@linux.alibaba.com>
On Fri, Oct 25, 2024 at 11:26:39AM +0800, Baolin Wang wrote:
> The tmpfs has already supported the PMD-sized large folios, and splice()
> can not read any subpages if the large folio has a poisoned subpage,
> which is not good as we discussed in previous mail[1].
folios do not have subpages. folios have pages. do not use the term
"subpage" anywhere. ever.
next prev parent reply other threads:[~2024-10-25 3:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-25 3:26 Baolin Wang
2024-10-25 3:31 ` Matthew Wilcox [this message]
2024-10-25 3:41 ` Baolin Wang
2024-10-25 22:45 ` Andrew Morton
2024-10-26 4:01 ` Baolin Wang
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