From: Miaohe Lin <linmiaohe@huawei.com>
Date: Fri, 29 Apr 2022 06:16:06 +0000 (-0700)
Subject: mm/z3fold: remove unneeded PAGE_HEADLESS check in free_handle()
X-Git-Tag: v5.19-rc1~138^2~331
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=daf79bd8ee1c8187c133c77a82943ae50994bb66;p=thirdparty%2Fkernel%2Flinux.git

mm/z3fold: remove unneeded PAGE_HEADLESS check in free_handle()

The only caller z3fold_free() never calls free_handle() in PAGE_HEADLESS
case.  Remove this unneeded check.

Link: https://lkml.kernel.org/r/20220308134311.59086-9-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/z3fold.c b/mm/z3fold.c
index 867c590df027e..83b5a3514427e 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -297,9 +297,6 @@ static inline void free_handle(unsigned long handle, struct z3fold_header *zhdr)
 	int i;
 	bool is_free;
 
-	if (handle & (1 << PAGE_HEADLESS))
-		return;
-
 	if (WARN_ON(*(unsigned long *)handle == 0))
 		return;