diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-01-24 18:52:49 +0100 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2024-02-25 21:08:00 +0100 |
| commit | 85ffbf555794c2484b9ab440d3bc23638a0cb315 (patch) | |
| tree | 8f72c023d8dd7e0aeb8e477566be7f4efd2aa4d2 /Documentation | |
| parent | ubifs: Convert do_writepage() to take a folio (diff) | |
| download | linux-85ffbf555794c2484b9ab440d3bc23638a0cb315.tar.xz linux-85ffbf555794c2484b9ab440d3bc23638a0cb315.zip | |
ubifs: Convert ubifs_vm_page_mkwrite() to use a folio
Replace six implicit calls to compound_head() with one.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/mm/page_cache.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/mm/page_cache.rst b/Documentation/mm/page_cache.rst index 75eba7c431b2..138d61f869df 100644 --- a/Documentation/mm/page_cache.rst +++ b/Documentation/mm/page_cache.rst @@ -3,3 +3,13 @@ ========== Page Cache ========== + +The page cache is the primary way that the user and the rest of the kernel +interact with filesystems. It can be bypassed (e.g. with O_DIRECT), +but normal reads, writes and mmaps go through the page cache. + +Folios +====== + +The folio is the unit of memory management within the page cache. +Operations |