mirror of
https://github.com/torvalds/linux.git
synced 2024-11-24 21:21:41 +00:00
85ffbf5557
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>
16 lines
371 B
ReStructuredText
16 lines
371 B
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0
|
|
|
|
==========
|
|
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
|