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[ Upstream commite67b72b90b] In our server, there may be no high order (>= 6) memory since we reserve lots of HugeTLB pages when booting. Then the system panic. So use alloc_large_system_hash() to allocate table_perturb. Fixes:e926147618("tcp: dynamically allocate the perturb table used by source ports") Signed-off-by: Muchun Song <songmuchun@bytedance.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20220607070214.94443-1-songmuchun@bytedance.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> 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.