linux-kernel - [PATCH 1/6] um: Remove unused kpte_clear

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Message-Id: <20240816015447.320394-2-tiwei.btw@antgroup.com>
Date: Fri, 16 Aug 2024 09:54:42 +0800
From: "Tiwei Bie" <tiwei.btw@...group.com>
To: richard@....at,
	anton.ivanov@...bridgegreys.com,
	johannes@...solutions.net
Cc:  <linux-um@...ts.infradead.org>,
   <linux-kernel@...r.kernel.org>,
  "Tiwei Bie" <tiwei.btw@...group.com>
Subject: [PATCH 1/6] um: Remove unused kpte_clear_flush macro

This macro has no users, and __flush_tlb_one doesn't exist either.

Signed-off-by: Tiwei Bie <tiwei.btw@...group.com>
---
 arch/um/include/asm/pgtable.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index 5bb397b65efb..83373c9963e7 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -359,11 +359,4 @@ static inline pte_t pte_swp_clear_exclusive(pte_t pte)
 	return pte;
 }
 
-/* Clear a kernel PTE and flush it from the TLB */
-#define kpte_clear_flush(ptep, vaddr)		\
-do {						\
-	pte_clear(&init_mm, (vaddr), (ptep));	\
-	__flush_tlb_one((vaddr));		\
-} while (0)
-
 #endif
-- 
2.34.1