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| author | Ingo Molnar <[email protected]> | 2024-01-26 10:26:50 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2024-01-26 10:26:50 +0100 |
| commit | 42ac0be18bfa09c03f52244f7c3e15c89b38532f (patch) | |
| tree | 601fd5e6da2ca0b77aa8cb22f0e81a29ba6fe1d6 /include/linux/refcount.h | |
| parent | 8e5647a723c49d73b9f108a8bb38e8c29d3948ea (diff) | |
| parent | ecb1b8288dc7ccbdcb3b9df005fa1c0e0c0388a7 (diff) | |
Merge branch 'linus' into x86/mm, to refresh the branch and pick up fixes
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'include/linux/refcount.h')
| -rw-r--r-- | include/linux/refcount.h | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/include/linux/refcount.h b/include/linux/refcount.h index a62fcca97486..85c6df0d1bef 100644 --- a/include/linux/refcount.h +++ b/include/linux/refcount.h @@ -96,22 +96,11 @@ #include <linux/bug.h> #include <linux/compiler.h> #include <linux/limits.h> +#include <linux/refcount_types.h> #include <linux/spinlock_types.h> struct mutex; -/** - * typedef refcount_t - variant of atomic_t specialized for reference counts - * @refs: atomic_t counter field - * - * The counter saturates at REFCOUNT_SATURATED and will not move once - * there. This avoids wrapping the counter and causing 'spurious' - * use-after-free bugs. - */ -typedef struct refcount_struct { - atomic_t refs; -} refcount_t; - #define REFCOUNT_INIT(n) { .refs = ATOMIC_INIT(n), } #define REFCOUNT_MAX INT_MAX #define REFCOUNT_SATURATED (INT_MIN / 2) |