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8a144612eb
We expect a file page access after dropping caches should be a major fault, but sometimes it's still a minor fault. That's because a file page can't be dropped if it's in a per-cpu pagevec. Draining all pages from per-cpu pagevec to lru list before trying to drop caches. Link: https://lkml.kernel.org/r/20230630092203.16080-1-andrew.yang@mediatek.com Signed-off-by: Andrew Yang <andrew.yang@mediatek.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Cc: Christian Brauner <brauner@kernel.org> Cc: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.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.