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d075bccec0
Extend two existing tests to cover extracting memory usage through the newly mutable memory.peak and memory.swap.peak handlers. In particular, make sure to exercise adding and removing watchers with overlapping lifetimes so the less-trivial logic gets tested. The new/updated tests attempt to detect a lack of the write handler by fstat'ing the memory.peak and memory.swap.peak files and skip the tests if that's the case. Additionally, skip if the file doesn't exist at all. [davidf@vimeo.com: update tests] Link: https://lkml.kernel.org/r/20240730231304.761942-3-davidf@vimeo.com Link: https://lkml.kernel.org/r/20240729143743.34236-3-davidf@vimeo.com Signed-off-by: David Finkel <davidf@vimeo.com> Acked-by: Tejun Heo <tj@kernel.org> Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Michal Hocko <mhocko@kernel.org> Cc: Michal Koutný <mkoutny@suse.com> Cc: Muchun Song <muchun.song@linux.dev> Cc: Shakeel Butt <shakeel.butt@linux.dev> Cc: Shuah Khan <shuah@kernel.org> Cc: Waiman Long <longman@redhat.com> Cc: Zefan Li <lizefan.x@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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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.