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d9948a10b9
We currently use a worker queued from an rcu callback to determine when a how grace period has elapsed while we remained idle. We use this idle delay to infer that we will be idle for a while and this is a suitable point at which we can trim our global memory caches. Since we wrote that, this mechanism now exists as rcu_work, and having converted the idle shrinkers over to using that, we can remove our own variant. v2: Say goodbye to gt.epoch as well. v3: Remove the misplaced and redundant comment before parking globals Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190228102035.5857-3-chris@chris-wilson.co.uk
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.