The patch titled
Subject: mm/damon: simplify damon_ctx check in damon_sysfs_before_terminate
has been added to the -mm mm-unstable branch. Its filename is
mm-damon-simply-damon_ctx-check-in-damon_sysfs_before_terminate.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-simply-damon_ctx-check-in-damon_sysfs_before_terminate.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Xin Hao <xhao@xxxxxxxxxxxxxxxxx>
Subject: mm/damon: simplify damon_ctx check in damon_sysfs_before_terminate
Date: Wed, 7 Sep 2022 16:41:16 +0800
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.
Link: https://lkml.kernel.org/r/20220907084116.62053-1-xhao@xxxxxxxxxxxxxxxxx
Signed-off-by: Xin Hao <xhao@xxxxxxxxxxxxxxxxx>
Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/damon/sysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/damon/sysfs.c~mm-damon-simply-damon_ctx-check-in-damon_sysfs_before_terminate
+++ a/mm/damon/sysfs.c
@@ -2309,7 +2309,7 @@ static void damon_sysfs_before_terminate
{
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);
_
Patches currently in -mm which might be from xhao@xxxxxxxxxxxxxxxxx are
mm-damon-simply-damon_ctx-check-in-damon_sysfs_before_terminate.patch
