Re: [PATCH] mm: shmem: fallback to page size splice if large folio has poisoned subpages

From: Baolin Wang
Date: Thu Oct 24 2024 - 23:49:29 EST




On 2024/10/25 11:31, Matthew Wilcox wrote:
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.

OK. This is my previous habit of naming it. Will change 'subpages' to 'pages' for folios.