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hmm_init calls hmm_alloc to set dummy_ptr, hmm_alloc calls hmm_init when dummy_ptr is not yet set, which is the case in the call from hmm_init, so it calls hmm_init again, this continues until we have a stack overflow due to the recursion. This commit fixes this by adding a separate flag for tracking if hmm_init has been called. Not pretty, but it gets the job done, eventually we should be able to remove the hmm_init call from hmm_alloc. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.