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Patch series "mm/list_lru: Add list_lru_shrink_walk_irq() and a user". This series removes the local_irq_disable() around list_lru_shrink_walk() (as used by mm/workingset) by adding list_lru_shrink_walk_irq(). Vladimir Davydov preferred this over `irq' argument which I added to struct list_lru. The initial post (of this series) received a Reviewed-by tag by Vladimir Davydov which I added to each patch of the series. The series applies on top of akpm's tree which has Kirill's shrink_slab series and does not clash with it (akpm asked me to wait a week or so and repost it then). I tested the code paths by triggering the OOM-killer via memory over commit and lockdep did not complain (nor did I see any warnings). This patch (of 4): list_lru_walk_node() invokes __list_lru_walk_one() with -1 as the memcg_idx parameter. The same can be achieved by list_lru_walk_one() and passing NULL as memcg argument which then gets converted into -1. This is a preparation step when the spin_lock() function is lifted to the caller of __list_lru_walk_one(). Invoke list_lru_walk_one() instead __list_lru_walk_one() when possible. Link: http://lkml.kernel.org/r/20180716111921.5365-2-bigeasy@linutronix.de Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Reviewed-by: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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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.
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.