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Message-Id: <20220907084116.62053-1-xhao@linux.alibaba.com>
Date: Wed, 7 Sep 2022 16:41:16 +0800
From: Xin Hao <xhao@...ux.alibaba.com>
To: sj@...nel.org
Cc: akpm@...ux-foundation.org, damon@...ts.linux.dev,
linux-mm@...ck.org, linux-kernel@...r.kernel.org,
xhao@...ux.alibaba.com
Subject: [PATCH] mm/damon: Simply damon_ctx check in damon_sysfs_before_terminate
In damon_sysfs_before_terminate() func, it need to check whether
ctx->ops.id supports 'DAMON_OPS_VADDR' or 'DAMON_OPS_FVADDR', there we
can use damon_target_has_pid() instead.
Signed-off-by: Xin Hao <xhao@...ux.alibaba.com>
---
mm/damon/sysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index 7488e27c87c3..88f208ff235d 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -2309,7 +2309,7 @@ static void damon_sysfs_before_terminate(struct damon_ctx *ctx)
{
struct damon_target *t, *next;
- if (ctx->ops.id != DAMON_OPS_VADDR && ctx->ops.id != DAMON_OPS_FVADDR)
+ if (!damon_target_has_pid(ctx))
return;
mutex_lock(&ctx->kdamond_lock);
--
2.31.0
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