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3e3f55f8b7
Previously btree_merge() called btree_last() only to test existence, then performed an extra btree_lookup() to fetch the value. This patch changes it to directly use the value returned by btree_last(), avoiding redundant lookups and simplifying the merge loop. Link: https://lkml.kernel.org/r/20250826161741.686704-1-409411716@gms.tku.edu.tw Signed-off-by: Guan-Chun Wu <409411716@gms.tku.edu.tw> Cc: Kuan-Wei Chiu <visitorckw@gmail.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 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.