From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
To: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
linux-kernel@vger.kernel.org
Subject: [PATCH v2 02/27] mm: Add folio_pgdat
Date: Mon, 18 Jan 2021 17:01:23 +0000 [thread overview]
Message-ID: <20210118170148.3126186-3-willy@infradead.org> (raw)
In-Reply-To: <20210118170148.3126186-1-willy@infradead.org>
This is just a convenience wrapper for callers with folios; pgdat can
be reached from tail pages as well as head pages.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
include/linux/mm.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 0858af6479a3..5b071c226fd6 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1500,6 +1500,11 @@ static inline pg_data_t *page_pgdat(const struct page *page)
return NODE_DATA(page_to_nid(page));
}
+static inline pg_data_t *folio_pgdat(const struct folio *folio)
+{
+ return page_pgdat(&folio->page);
+}
+
#ifdef SECTION_IN_PAGE_FLAGS
static inline void set_page_section(struct page *page, unsigned long section)
{
--
2.29.2
next prev parent reply other threads:[~2021-01-18 17:03 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-18 17:01 [PATCH v2 00/27] Page folios Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 01/27] mm: Introduce struct folio Matthew Wilcox (Oracle)
2021-01-18 17:01 ` Matthew Wilcox (Oracle) [this message]
2021-01-18 17:01 ` [PATCH v2 03/27] mm/vmstat: Add folio stat wrappers Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 04/27] mm/debug: Add VM_BUG_ON_FOLIO and VM_WARN_ON_ONCE_FOLIO Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 05/27] mm: Add put_folio Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 06/27] mm: Add get_folio Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 07/27] mm: Create FolioFlags Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 08/27] mm: Handle per-folio private data Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 09/27] mm: Add folio_index, folio_page and folio_contains Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 10/27] mm/util: Add folio_mapping and folio_file_mapping Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 11/27] mm/memcg: Add folio_memcg, lock_folio_memcg and unlock_folio_memcg Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 12/27] mm/memcg: Add mem_cgroup_folio_lruvec Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 13/27] mm: Add unlock_folio Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 14/27] mm: Add lock_folio Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 15/27] mm: Add lock_folio_killable Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 16/27] mm: Convert lock_page_async to lock_folio_async Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 17/27] mm/filemap: Convert lock_page_for_iocb to lock_folio_for_iocb Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 18/27] mm/filemap: Convert wait_on_page_locked_async to wait_on_folio_locked_async Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 19/27] mm/filemap: Convert end_page_writeback to end_folio_writeback Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 20/27] mm: Convert wait_on_page_bit to wait_on_folio_bit Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 21/27] mm: Add wait_for_stable_folio and wait_on_folio_writeback Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 22/27] mm: Add wait_on_folio_locked & wait_on_folio_locked_killable Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 23/27] mm: Convert lock_page_or_retry to lock_folio_or_retry Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 24/27] mm/filemap: Convert wake_up_page_bit to wake_up_folio_bit Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 25/27] mm: Convert test_clear_page_writeback to test_clear_folio_writeback Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 26/27] mm/filemap: Convert page wait queues to be folios Matthew Wilcox (Oracle)
2021-01-18 17:01 ` [PATCH v2 27/27] cachefiles: Switch to wait_page_key Matthew Wilcox (Oracle)
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