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The newly added global free list allows to avoid lengthy pool_list iterations in free_obj_work() by putting objects either into the pool list when the fill level of the pool is below the maximum or by putting them on the global free list immediately. As the pool is now guaranteed to never exceed the maximum fill level this allows to remove the batch removal from pool list in free_obj_work(). Split free_object() into two parts, so the actual queueing function can be reused without invoking schedule_work() on every invocation. [ tglx: Remove the batch removal from pool list and massage changelog ] Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: longman@redhat.com Link: https://lkml.kernel.org/r/1517872708-24207-4-git-send-email-yang.shi@linux.alibaba.com |
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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.