From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f69.google.com (mail-wm0-f69.google.com [74.125.82.69]) by kanga.kvack.org (Postfix) with ESMTP id 531706B0005 for ; Sun, 24 Jun 2018 14:25:39 -0400 (EDT) Received: by mail-wm0-f69.google.com with SMTP id x203-v6so3142908wmg.8 for ; Sun, 24 Jun 2018 11:25:39 -0700 (PDT) Received: from youngberry.canonical.com (youngberry.canonical.com. [91.189.89.112]) by mx.google.com with ESMTPS id t132-v6si329481wmb.31.2018.06.24.11.25.37 for (version=TLS1 cipher=AES128-SHA bits=128/128); Sun, 24 Jun 2018 11:25:37 -0700 (PDT) From: Colin King Subject: [PATCH] mm, swap: make swap_slots_cache_mutex and swap_slots_cache_enable_mutex static Date: Sun, 24 Jun 2018 19:25:36 +0100 Message-Id: <20180624182536.4937-1-colin.king@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton , linux-mm@kvack.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org From: Colin Ian King The mutexes swap_slots_cache_mutex and swap_slots_cache_enable_mutex are local to the source and do not need to be in global scope, so make them static. Cleans up sparse warnings: symbol 'swap_slots_cache_mutex' was not declared. Should it be static? symbol 'swap_slots_cache_enable_mutex' was not declared. Should it be static? Signed-off-by: Colin Ian King --- mm/swap_slots.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/swap_slots.c b/mm/swap_slots.c index a791411fed71..008ccb22fee6 100644 --- a/mm/swap_slots.c +++ b/mm/swap_slots.c @@ -38,9 +38,9 @@ static DEFINE_PER_CPU(struct swap_slots_cache, swp_slots); static bool swap_slot_cache_active; bool swap_slot_cache_enabled; static bool swap_slot_cache_initialized; -DEFINE_MUTEX(swap_slots_cache_mutex); +static DEFINE_MUTEX(swap_slots_cache_mutex); /* Serialize swap slots cache enable/disable operations */ -DEFINE_MUTEX(swap_slots_cache_enable_mutex); +static DEFINE_MUTEX(swap_slots_cache_enable_mutex); static void __drain_swap_slots_cache(unsigned int type); static void deactivate_swap_slots_cache(void); -- 2.17.0