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[ Upstream commit 2e2675db1906ac04809f5399bf1f5e30d56a6f3e ] Recent NUMA hinting faulting activity is reset approximately every VMA_PID_RESET_PERIOD milliseconds. However, if the current task has not accessed a VMA then the reset check is missed and the reset is potentially deferred forever. Check if the PID activity information should be reset before checking if the current task recently trapped a NUMA hinting fault. [ mgorman@techsingularity.net: Rewrite changelog ] Suggested-by: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Raghavendra K T <raghavendra.kt@amd.com> Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20231010083143.19593-5-mgorman@techsingularity.net Stable-dep-of: f22cde4371f3 ("sched/numa: Fix the vma scan starving issue") 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.