xfs: document pageable kernel memory
authorDarrick J. Wong <djwong@kernel.org>
Wed, 12 Apr 2023 01:59:48 +0000 (18:59 -0700)
committerDarrick J. Wong <djwong@kernel.org>
Wed, 12 Apr 2023 01:59:48 +0000 (18:59 -0700)
commit5f658dad233b2c92afddc011565d7e337d527a37
tree11ce00e20c9ee156c5f3cef1bc3efae21597d63f
parentbae43864c08884bacde35c5aba36d0335f659868
xfs: document pageable kernel memory

Add a discussion of pageable kernel memory, since online fsck needs
quite a bit more memory than most other parts of the filesystem to stage
records and other information.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Documentation/filesystems/xfs-online-fsck-design.rst