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Some apps like linpack use numa_setpolicy to disable numa, but that tends to have a significant performance hit for us. If you have a cmdline.txt setting of numa_policy (to something other than default), then lets ignore runtime changes and stick with the cmdline.txt setting. Not specifying numa_setpolicy in cmdline, or setting numa_setpolicy=default(*) will allow runtime settings to work. (*) easier to do when numa_setpolicy=interleave is set in DT. Ignore logging for the first 40 seconds as there are some expected switches during boot. Signed-off-by: Dom Cobley <popcornmix@gmail.com> Show process name in set_mempolicy() ignored message Signed-off-by: Trevor Man <tman_github@trejan.com>
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.
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