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34f5affd04
Instead of lumping emulated zones together with random zones we should be handling them as separate 'cache' zones. This improves code readability and allows an easier implementation of different cache policies. Also add additional allocation flags, to separate the type (cache, random, or sequential) from the purpose (eg reclaim). Also switch the allocation policy to not use random zones as buffer zones if cache zones are present. This avoids a performance drop when all cache zones are used. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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.