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Further shrinking the srcu_struct structure is eased by requiring that in-module srcu_struct structures rely more heavily on static initialization. In particular, this preserves the property that a module-load-time srcu_struct initialization can fail only due to memory-allocation failure of the per-CPU srcu_data structures. It might also slightly improve robustness by keeping the number of memory allocations that must succeed down percpu_alloc() call. This is in preparation for splitting an srcu_usage structure out of the srcu_struct structure. [ paulmck: Fold in qiang1.zhang@intel.com feedback. ] Cc: Christoph Hellwig <hch@lst.de> Tested-by: Sachin Sant <sachinp@linux.ibm.com> Tested-by: "Zhang, Qiang1" <qiang1.zhang@intel.com> Tested-by: Joel Fernandes (Google) <joel@joelfernandes.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.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 Restructured Text 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.