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When the vmalloc test code is compiled as a built-in, use late_initcall() instead of module_init() to defer a vmalloc test execution until most subsystems are up and running. It avoids interfering with components that may not yet be initialized at module_init() time. For example, there was a recent report of memory profiling infrastructure not being ready early enough leading to kernel crash. By using late_initcall() in the built-in case, we ensure the tests are run at a safer point during a boot sequence. Link: https://lkml.kernel.org/r/20250623184035.581229-1-urezki@gmail.com Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com> Reviewed-by: Baoquan He <bhe@redhat.com> Cc: Harry Yoo <harry.yoo@oracle.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: David Wang <00107082@163.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.