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871f697b49
In damon_sysfs_destroy_targets(), we call damon_target_has_pid() to check whether the 'ctx' include a valid pid, but there no need to call damon_target_has_pid() to check repeatedly, just need call it once. [xhao@linux.alibaba.com: more simplified code calls damon_target_has_pid()] Link: https://lkml.kernel.org/r/20220916133535.7428-1-xhao@linux.alibaba.com Link: https://lkml.kernel.org/r/20220915142237.92529-1-xhao@linux.alibaba.com Signed-off-by: Xin Hao <xhao@linux.alibaba.com> Reviewed-by: SeongJae Park <sj@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.