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Patch series "zsmalloc: small compaction improvements", v2. A tiny series that can reduce the number of find_alloced_obj() invocations (which perform a linear scan of sub-page) during compaction. Inspired by Alexey Romanov's findings. This patch (of 3): zspage migration can terminate as soon as it moves the last allocated object from the source zspage. Add a simple helper zspage_empty() that tests zspage ->inuse on each migration iteration. Link: https://lkml.kernel.org/r/20230624053120.643409-2-senozhatsky@chromium.org Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org> Suggested-by: Alexey Romanov <AVRomanov@sberdevices.ru> Reviewed-by: Alexey Romanov <avromanov@sberdevices.ru> Acked-by: Minchan Kim <minchan@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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.