linux-kernel - [PATCH 0/5] Enhance Union-Find with KUnit tests and optimization improvements

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Message-Id: <20241005214938.2147393-1-visitorckw@gmail.com>
Date: Sun,  6 Oct 2024 05:49:33 +0800
From: Kuan-Wei Chiu <visitorckw@...il.com>
To: xavier_qy@....com,
	longman@...hat.com,
	lizefan.x@...edance.com,
	tj@...nel.org,
	hannes@...xchg.org,
	mkoutny@...e.com,
	akpm@...ux-foundation.org
Cc: jserv@...s.ncku.edu.tw,
	linux-kernel@...r.kernel.org,
	cgroups@...r.kernel.org,
	Kuan-Wei Chiu <visitorckw@...il.com>
Subject: [PATCH 0/5] Enhance Union-Find with KUnit tests and optimization improvements

This patch series adds KUnit tests for the Union-Find implementation
and optimizes the path compression in the uf_find() function to achieve
a lower tree height and improved efficiency. Additionally, it modifies
uf_union() to return a boolean value indicating whether a merge
occurred, enhancing the process of calculating the number of groups in
the cgroup cpuset.

Regards,
Kuan-Wei

Kuan-Wei Chiu (5):
  lib/union_find: Add EXPORT_SYMBOL() for uf_find() and uf_union()
  lib/union_find: Change uf_union() return type to bool
  lib: Add KUnit tests for Union-Find implementation
  lib/union_find: Optimize uf_find() with enhanced path compression
  cgroup/cpuset: Optimize total domain count using updated uf_union()

 MAINTAINERS                |  1 +
 include/linux/union_find.h |  2 +-
 kernel/cgroup/cpuset.c     | 10 ++----
 lib/Kconfig.debug          | 12 +++++++
 lib/Makefile               |  1 +
 lib/union_find.c           | 20 ++++++++---
 lib/union_find_kunit.c     | 74 ++++++++++++++++++++++++++++++++++++++
 7 files changed, 108 insertions(+), 12 deletions(-)
 create mode 100644 lib/union_find_kunit.c

-- 
2.34.1