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Message-Id: <20180624182536.4937-1-colin.king@canonical.com> Date: Sun, 24 Jun 2018 19:25:36 +0100 From: Colin King <colin.king@...onical.com> To: Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org Cc: kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] mm, swap: make swap_slots_cache_mutex and swap_slots_cache_enable_mutex static From: Colin Ian King <colin.king@...onical.com> 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 <colin.king@...onical.com> --- 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
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