Luis Chamberlain d0f5a85442 shmem: update documentation
Update the docs to reflect a bit better why some folks prefer tmpfs over
ramfs and clarify a bit more about the difference between brd ramdisks.

While at it, add THP docs for tmpfs, both the mount options and the sysfs
file.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Luis Chamberlain <[email protected]>
Reviewed-by: Christian Brauner <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Tested-by: Xin Hao <[email protected]>
Reviewed-by: Davidlohr Bueso <[email protected]>
Cc: Adam Manzanares <[email protected]>
Cc: Davidlohr Bueso <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Pankaj Raghav <[email protected]>
Cc: Yosry Ahmed <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
2023-03-28 16:20:15 -07:00
2023-03-28 16:20:15 -07:00
2022-09-28 09:02:20 +02:00
2023-03-28 16:20:08 -07:00
2023-03-26 14:40:20 -07:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
S
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