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In free_area_init(), we will continue to run after allocation of memoryless node pgdat fails. However, in the subsequent process (such as when initializing zonelist), the case that NODE_DATA(nid) is NULL is not handled, which will cause panic. Instead of this, it's better to call panic() directly when the memory allocation fails during system boot. Link: https://lkml.kernel.org/r/20230212111027.95520-1-zhengqi.arch@bytedance.com Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.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.