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9e8a0bbb12
Memory profiling can be shut down due to reasons like a failure during initialization. When this happens, the user should not be able to re-enable it. Current sysctrl interface does not handle this properly and will allow re-enabling memory profiling. Fix this by checking for this condition during sysctrl write operation. Link: https://lkml.kernel.org/r/20250915212756.3998938-3-surenb@google.com Signed-off-by: Suren Baghdasaryan <surenb@google.com> Acked-by: Shakeel Butt <shakeel.butt@linux.dev> Acked-by: Usama Arif <usamaarif642@gmail.com> Cc: David Wang <00107082@163.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: Pasha Tatashin <pasha.tatashin@soleen.com> Cc: Sourav Panda <souravpanda@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> 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.