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Commit 31f21da1 authored by Colin Ian King's avatar Colin Ian King Committed by Linus Torvalds
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mm/swap_slots.c: make swap_slots_cache_mutex and swap_slots_cache_enable_mutex static 

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?

Link: http://lkml.kernel.org/r/20180624182536.4937-1-colin.king@canonical.com


Signed-off-by: default avatarColin Ian King <colin.king@canonical.com>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 4d0a5402

mm/swap_slots.c

+2 −2
Original line number Diff line number Diff line
@@ -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);