linux-kernel - Re: [PATCH v8 10/16] refcount: introduce __refcount_{add|inc}_not_zero

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Message-ID: <c592118f-be6a-4d82-b925-80e102a7aba2@suse.cz>
Date: Thu, 9 Jan 2025 15:42:30 +0100
From: Vlastimil Babka <vbabka@...e.cz>
To: Suren Baghdasaryan <surenb@...gle.com>, akpm@...ux-foundation.org
Cc: peterz@...radead.org, willy@...radead.org, liam.howlett@...cle.com,
 lorenzo.stoakes@...cle.com, mhocko@...e.com, hannes@...xchg.org,
 mjguzik@...il.com, oliver.sang@...el.com, mgorman@...hsingularity.net,
 david@...hat.com, peterx@...hat.com, oleg@...hat.com, dave@...olabs.net,
 paulmck@...nel.org, brauner@...nel.org, dhowells@...hat.com,
 hdanton@...a.com, hughd@...gle.com, lokeshgidra@...gle.com,
 minchan@...gle.com, jannh@...gle.com, shakeel.butt@...ux.dev,
 souravpanda@...gle.com, pasha.tatashin@...een.com, klarasmodin@...il.com,
 richard.weiyang@...il.com, corbet@....net, linux-doc@...r.kernel.org,
 linux-mm@...ck.org, linux-kernel@...r.kernel.org, kernel-team@...roid.com
Subject: Re: [PATCH v8 10/16] refcount: introduce
 __refcount_{add|inc}_not_zero_limited

On 1/9/25 3:30 AM, Suren Baghdasaryan wrote:
> Introduce functions to increase refcount but with a top limit above which
> they will fail to increase (the limit is inclusive). Setting the limit to
> INT_MAX indicates no limit.
> 
> Signed-off-by: Suren Baghdasaryan <surenb@...gle.com>

Acked-by: Vlastimil Babka <vbabka@...e.cz>