linux-kernel - [PATCH 1/7] padata: remove exit routine

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Message-Id: <20200430201125.532129-2-daniel.m.jordan@oracle.com>
Date:   Thu, 30 Apr 2020 16:11:19 -0400
From:   Daniel Jordan <daniel.m.jordan@...cle.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Steffen Klassert <steffen.klassert@...unet.com>
Cc:     Alex Williamson <alex.williamson@...hat.com>,
        Alexander Duyck <alexander.h.duyck@...ux.intel.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        David Hildenbrand <david@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Jonathan Corbet <corbet@....net>,
        Josh Triplett <josh@...htriplett.org>,
        Kirill Tkhai <ktkhai@...tuozzo.com>,
        Michal Hocko <mhocko@...nel.org>, Pavel Machek <pavel@....cz>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Shile Zhang <shile.zhang@...ux.alibaba.com>,
        Tejun Heo <tj@...nel.org>, Zi Yan <ziy@...dia.com>,
        linux-crypto@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Daniel Jordan <daniel.m.jordan@...cle.com>
Subject: [PATCH 1/7] padata: remove exit routine

padata_driver_exit() is unnecessary because padata isn't built as a
module and doesn't exit.

padata's init routine will soon allocate memory, so getting rid of the
exit function now avoids pointless code to free it.

Signed-off-by: Daniel Jordan <daniel.m.jordan@...cle.com>
---
 kernel/padata.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/kernel/padata.c b/kernel/padata.c
index 72777c10bb9cb..36a8e98741bb3 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -1071,10 +1071,4 @@ static __init int padata_driver_init(void)
 }
 module_init(padata_driver_init);
 
-static __exit void padata_driver_exit(void)
-{
-	cpuhp_remove_multi_state(CPUHP_PADATA_DEAD);
-	cpuhp_remove_multi_state(hp_online);
-}
-module_exit(padata_driver_exit);
 #endif
-- 
2.26.2