v2
2026-07-10
hugetlbfs 使用通用读路径 · v2
用 generic_file_read_iter() 替换 hugetlbfs_read_iter()，并添加 hwpoison 处理和映射 folio 阶数设置。
原始补丁链接
子 Patch（10）
1/10
mm: Rename folio_contain_hwpoison_page() to folio_has_hwpoison_page()
[Re: [PATCH v2 01/10] mm: Rename folio_contain_hwpoison_page() to folio_has_hwpoison_page()] On Thu, 9 Jul 2026 19:47:2
2/10
hugetlb: Mark some function arguments as const
[Re: [PATCH v2 02/10] hugetlb: Mark some function arguments as const] On Thu, 9 Jul 2026 19:47:30 +0100 “Matthew Wilcox
3/10
filemap: Remove checks in mapping_set_folio_order_range()
[Re: [PATCH v2 03/10] filemap: Remove checks in mapping_set_folio_order_range()] On Thu, 9 Jul 2026 19:47:31 +0100 “Mat
4/10
hugetlb: Set mapping folio order
[Re: [PATCH v2 04/10] hugetlb: Set mapping folio order] On Thu, 9 Jul 2026 19:47:32 +0100 “Matthew Wilcox (Oracle)” <wi
5/10
memory-failure: Remove raw_hwp_list_head()
[Re: [PATCH v2 05/10] memory-failure: Remove raw_hwp_list_head()] On Thu, 9 Jul 2026 19:47:33 +0100 “Matthew Wilcox (Or
6/10
memory-failure: Prevent UAF in raw_hwp_page list
[Re: [PATCH v2 06/10] memory-failure: Prevent UAF in raw_hwp_page list] On Thu, 9 Jul 2026 19:47:34 +0100 “Matthew Wilcox (Oracle)” willy@infradead.org wrote: > Most accesses to the raw_hwp_page li
7/10
mm: Handle hugetlb correctly in is_page_hwpoison()
[mm: Handle hugetlb correctly in is_page_hwpoison()] Checking to see whether a page inside a hugetlb folio is hardware p
8/10
filemap: Add hwpoison handling to filemap_read()
[filemap: Add hwpoison handling to filemap_read()] From: Jane Chu jane.chu@oracle.com Add hwpoison handling to filema
9/10
filemap: Add support for authoritative mappings
在filemap中引入权威映射概念，使映射能跟踪所有folio，用于一致性保证。
10/10
hugetlb: replace hugetlbfs_read_iter() with generic_file_read_iter()
[hugetlb: replace hugetlbfs_read_iter() with generic_file_read_iter()] From: Jane Chu jane.chu@oracle.com generic_fil