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max_emu_nid and dfl_phys_nid is calculated from emu_nid_to_phys[], which is calculated in split_nodes_xxx_interleave(). From the logic in these functions, it is assured the emu_nid_to_phys[] has meaningful value if it return successfully and ensures dfl_phys_nid will get a valid value. This patch removes the error branch to check invalid dfl_phys_nid and abstracts out this part to a function for readability. Signed-off-by: Wei Yang <richard.weiyang@gmail.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: bp@alien8.de Cc: kirill@shutemov.name Cc: rientjes@google.com Cc: tj@kernel.org Link: http://lkml.kernel.org/r/20170708013059.29708-2-richard.weiyang@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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.