linux-kernel - [PATCH 0/3] improve group_cpus initialization routines

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Message-ID: <20251119031306.644129-1-yury.norov@gmail.com>
Date: Tue, 18 Nov 2025 22:13:02 -0500
From: "Yury Norov (NVIDIA)" <yury.norov@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>
Cc: "Yury Norov (NVIDIA)" <yury.norov@...il.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/3] improve group_cpus initialization routines

Add missing core API and improve cpumasks usage in the initialization
code.

Yury Norov (NVIDIA) (3):
  bitmap: cpumask: introduce and_andnot search helper and iterator
  group_cpus: don't call cpumask_weight() prematurely
  group_cpus: simplify inner loop in grp_spread_init_one()

 include/linux/cpumask.h | 22 +++++++++++++++++++++
 include/linux/find.h    | 38 +++++++++++++++++++++++++++++++++++++
 lib/find_bit.c          |  9 +++++++++
 lib/group_cpus.c        | 42 ++++++++++++-----------------------------
 4 files changed, 81 insertions(+), 30 deletions(-)

-- 
2.43.0