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The check of !kmem_cache_has_cpu_partial(s) with CONFIG_SLUB_CPU_PARTIAL enabled here is always false. We have already checked kmem_cache_debug() earlier and if it was true, then we either continued or broke from the loop so we can't reach this code in that case and don't need to check kmem_cache_debug() as part of kmem_cache_has_cpu_partial() again. Here we can remove it. Signed-off-by: Xiongwei Song <xiongwei.song@windriver.com> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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 reStructuredText 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.