c7e88067c1
The current Tree SRCU implementation schedules a workqueue for every srcu_data covered by a given leaf srcu_node structure having callbacks, even if only one of those srcu_data structures actually contains callbacks. This is clearly inefficient for workloads that don't feature callbacks everywhere all the time. This commit therefore adds an array of masks that are used by the leaf srcu_node structures to track exactly which srcu_data structures contain callbacks. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Tested-by: Mike Galbraith <efault@gmx.de> |
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README
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.