summaryrefslogtreecommitdiff
path: root/include/linux/refcount.h
diff options
context:
space:
mode:
authorAlexey Dobriyan <adobriyan@gmail.com>2018-04-01 01:00:36 +0300
committerIngo Molnar <mingo@kernel.org>2018-06-21 19:22:02 +0300
commit75a040ff14d9a99fc041f5e1d8f09541cab13ba4 (patch)
treeca8f30d563d6f20a92b9afa6f1ea2459e064aa20 /include/linux/refcount.h
parent7cc7eaad49c30ac165ecf84d95b26f7e0d53bd97 (diff)
downloadlinux-75a040ff14d9a99fc041f5e1d8f09541cab13ba4.tar.xz
locking/refcounts: Include fewer headers in <linux/refcount.h>
Debloat <linux/refcount.h>'s dependencies: - <linux/kernel.h> is not needed, but <linux/compiler.h> is. - <linux/mutex.h> is not needed, only a forward declaration of "struct mutex". - <linux/spinlock.h> is not needed, <linux/spinlock_types.h> is enough. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will.deacon@arm.com> Link: https://lkml.kernel.org/lkml/20180331220036.GA7676@avx2 Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/refcount.h')
-rw-r--r--include/linux/refcount.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/refcount.h b/include/linux/refcount.h
index 4193c41e383a..c36addd27dd5 100644
--- a/include/linux/refcount.h
+++ b/include/linux/refcount.h
@@ -3,9 +3,10 @@
#define _LINUX_REFCOUNT_H
#include <linux/atomic.h>
-#include <linux/mutex.h>
-#include <linux/spinlock.h>
-#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/spinlock_types.h>
+
+struct mutex;
/**
* struct refcount_t - variant of atomic_t specialized for reference counts