From: Matthew Wilcox <willy@infradead.org>
To: Jane Chu <jane.chu@oracle.com>
Cc: akpm@linux-foundation.org, jack@suse.cz, viro@zeniv.linux.org.uk,
brauner@kernel.org, muchun.song@linux.dev, osalvador@suse.de,
david@kernel.org, hughd@google.com,
baolin.wang@linux.alibaba.com, linmiaohe@huawei.com,
nao.horiguchi@gmail.com, lorenzo@kernel.org, rppt@kernel.org,
peterx@redhat.com, corbet@lwn.net, linux-doc@vger.kernel.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v2 06/11] hugetlb: make hugetlb_fault_mutex_hash() to take PAGE_SIZE index
Date: Thu, 18 Jun 2026 04:17:17 +0100 [thread overview]
Message-ID: <ajNjPblkO9Ka_4FT@casper.infradead.org> (raw)
In-Reply-To: <20260617172534.1740152-7-jane.chu@oracle.com>
On Wed, Jun 17, 2026 at 11:25:27AM -0600, Jane Chu wrote:
> Make hugetlb_fault_mutex_hash() to take a PAGE_SIZE-based index.
> This makes the helper interface consistent with filemap_get_folio(),
> and linear_page_index(), while preserving the same lock selection for
> a given hugetlb file offset.
Oh, hah.
I don't know that there's a better way to do this than the way you've
done it. Unless we can just remove the fault mutex hash and use the
invalidate_lock instead.
next prev parent reply other threads:[~2026-06-18 3:17 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-17 17:25 [PATCH v2 00/11] hugetlb: Use PAGE granularity index in exported i/f and adopt the common read_iter Jane Chu
2026-06-17 17:25 ` [PATCH v2 01/11] mm/memory-failure: make is_raw_hwpoison_page_in_hugepage() general purpose Jane Chu
2026-06-17 17:25 ` [PATCH v2 02/11] mm: factor out adjust_range_hwpoison() from hugetlbfs Jane Chu
2026-06-17 17:25 ` [PATCH v2 03/11] mm/filemap: add hwpoison handling to filemap_read() Jane Chu
2026-06-17 17:25 ` [PATCH v2 04/11] hugetlbfs,filemap: replace hugetlbfs_read_iter() with generic_file_read_iter() Jane Chu
2026-06-17 20:07 ` Matthew Wilcox
2026-06-17 17:25 ` [PATCH v2 05/11] hugetlb: Convert the vmf->pgoff to PAGE_SIZE granularity Jane Chu
2026-06-17 22:28 ` Matthew Wilcox
2026-06-17 17:25 ` [PATCH v2 06/11] hugetlb: make hugetlb_fault_mutex_hash() to take PAGE_SIZE index Jane Chu
2026-06-18 3:17 ` Matthew Wilcox [this message]
2026-06-17 17:25 ` [PATCH v2 07/11] hugetlb: replace filemap_lock_hugetlb_folio with filemap_lock_folio Jane Chu
2026-06-18 16:16 ` Usama Arif
2026-06-17 17:25 ` [PATCH v2 08/11] hugetlb: make hugetlb_add_to_page_cache() to take PAGE_SIZE granularity index Jane Chu
2026-06-17 17:25 ` [PATCH v2 09/11] hugetlb: remove the hugetlb_linear_page_index() helper Jane Chu
2026-06-17 17:25 ` [PATCH v2 10/11] hugetlb: drop vma_hugecache_offset() in favor of linear_page_index() Jane Chu
2026-06-17 17:25 ` [PATCH v2 11/11] hugetlb: make hugetlb_[un]reserve_pages() to take PAGE granularity index Jane Chu
2026-06-17 18:28 ` [PATCH v2 00/11] hugetlb: Use PAGE granularity index in exported i/f and adopt the common read_iter Mike Rapoport
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