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-rw-r--r--mm/zsmalloc.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 79295c73dc9f..39f29aedd5d6 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -868,21 +868,17 @@ static unsigned long obj_idx_to_offset(struct page *page,
static inline int trypin_tag(unsigned long handle)
{
- unsigned long *ptr = (unsigned long *)handle;
-
- return !test_and_set_bit_lock(HANDLE_PIN_BIT, ptr);
+ return bit_spin_trylock(HANDLE_PIN_BIT, (unsigned long *)handle);
}
static void pin_tag(unsigned long handle)
{
- while (!trypin_tag(handle));
+ bit_spin_lock(HANDLE_PIN_BIT, (unsigned long *)handle);
}
static void unpin_tag(unsigned long handle)
{
- unsigned long *ptr = (unsigned long *)handle;
-
- clear_bit_unlock(HANDLE_PIN_BIT, ptr);
+ bit_spin_unlock(HANDLE_PIN_BIT, (unsigned long *)handle);
}
static void reset_page(struct page *page)