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mm/damon: simplify damon_ctx check in damon_sysfs_before_terminate

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In damon_sysfs_before_terminate(), it needs 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@linux.alibaba.com
Signed-off-by: Xin Hao <xhao@linux.alibaba.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Xin Hao 2022-09-07 16:41:16 +08:00 • committed by Andrew Morton
parent 36001cba4f
commit 61768a1b37
1 changed files with 1 additions and 1 deletions
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2
mm/damon/sysfs.c
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@ -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);