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Currently mem_cgroup_css_rstat_flush() is used to flush the per-CPU statistics from a specified CPU into the global statistics of the memcg. It processes three kinds of data in three for loops using exactly the same method. Therefore, the for loop can be factored out and may make the code more clean. Link: https://lkml.kernel.org/r/20241026093407.310955-1-xiujianfeng@huaweicloud.com Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Muchun Song <muchun.song@linux.dev> Cc: Roman Gushchin <roman.gushchin@linux.dev> Cc: Shakeel Butt <shakeel.butt@linux.dev> Cc: Wang Weiyang <wangweiyang2@huawei.com> 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 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.