From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clement Courbet <courbet@google.com>
Subject: [PATCH v2] lib: optimize cpumask_next_and()
Date: Thu, 26 Oct 2017 17:52:01 +0200
Message-ID: <20171026155201.26104-1-courbet@google.com>
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To: Arnd Bergmann <arnd@arndb.de>, Rasmus Villemoes <linux@rasmusvillemoes.dk>, Andrew Morton <akpm@linux-foundation.org>, Matthew Wilcox <mawilcox@microsoft.com>, Yury Norov <ynorov@caviumnetworks.com>
Cc: Clement Courbet <courbet@google.com>, Ingo Molnar <mingo@kernel.org>, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org

Hi Alexey,

> Gentoo ships 5.4.0 which doesn't inline this code on x86_64 defconfig
> (which has OPTIMIZE_INLINING).

I have not actually marked _find_next_bit() inline, it just turns out
that my compiler inlines it.
I've tried out marking the function inline and OPTIMIZE_INLINING does
not un-inline it. I'll send a v4 with an explicit inine.