The patch titled
Subject: mm/swap_slots.c: make swap_slots_cache_mutex and swap_slots_cache_enable_mutex static
has been added to the -mm tree. Its filename is
mm-swap-make-swap_slots_cache_mutex-and-swap_slots_cache_enable_mutex-static.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-swap-make-swap_slots_cache_mutex-and-swap_slots_cache_enable_mutex-static.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-swap-make-swap_slots_cache_mutex-and-swap_slots_cache_enable_mutex-static.patch
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------------------------------------------------------
From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxx
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
diff -puN mm/swap_slots.c~mm-swap-make-swap_slots_cache_mutex-and-swap_slots_cache_enable_mutex-static mm/swap_slots.c
--- a/mm/swap_slots.c~mm-swap-make-swap_slots_cache_mutex-and-swap_slots_cache_enable_mutex-static
+++ a/mm/swap_slots.c
@@ -38,9 +38,9 @@ static DEFINE_PER_CPU(struct swap_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);
_
Patches currently in -mm which might be from colin.king@xxxxxxxxxxxxx are
mm-zsmalloc-make-several-functions-and-a-struct-static.patch
mm-swap-make-swap_slots_cache_mutex-and-swap_slots_cache_enable_mutex-static.patch
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