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002d8b395f
[ Upstream commited914d48b6] This fixes Page Table accounting bug. MIPS is the ONLY arch just defining __HAVE_ARCH_PMD_ALLOC_ONE alone. Since commitb2b29d6d01(mm: account PMD tables like PTE tables), "pmd_free" in asm-generic with PMD table accounting and "pmd_alloc_one" in MIPS without PMD table accounting causes PageTable accounting number negative, which read by global_zone_page_state(), always returns 0. Signed-off-by: Huang Pei <huangpei@loongson.cn> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Sasha Levin <sashal@kernel.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.