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Puranjay Mohan
f8c67d8550
The range tree uses bpf_mem_alloc() that is safe to be called from all contexts and uses a pre-allocated pool of memory to serve these allocations. Replace bpf_mem_alloc() with kmalloc_nolock() as it can be called safely from all contexts and is more scalable than bpf_mem_alloc(). Remove the migrate_disable/enable pairs as they were only needed for bpf_mem_alloc() as it does per-cpu operations, kmalloc_nolock() doesn't need this. Signed-off-by: Puranjay Mohan <puranjay@kernel.org> Link: https://lore.kernel.org/r/20251106170608.4800-1-puranjay@kernel.org Signed-off-by: Alexei Starovoitov <ast@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 reStructuredText 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.