[PATCH bpf-next] arm64: mm: Remove misleading pte_none() comment from ptep_try_set()

[Tejun Heo]

This comment was thoughtlessly copied from the x86 version and doesn't
apply to arm64. Remove it.

Reported-by: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
---
 arch/arm64/include/asm/pgtable.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 3ce0f2a6cab6..b0213799ebc4 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -1830,10 +1830,6 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
 	return __ptep_get_and_clear(mm, addr, ptep);
 }
 
-/*
- * Note: strictly-zero compare is narrower than pte_none(), but the gap is
- * harmless: a fresh kernel PTE has no software bits set.
- */
 static inline bool ptep_try_set(pte_t *ptep, pte_t new_pte)
 {
 	pteval_t old = 0;
-- 
2.51.0