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mm/damon: remove return value from before_terminate callback
Since the return value of 'before_terminate' callback is never used, we make it have no return value. Link: https://lkml.kernel.org/r/20211029005023.8895-1-changbin.du@gmail.com Signed-off-by: Changbin Du <changbin.du@gmail.com> Reviewed-by: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -322,7 +322,7 @@ struct damon_callback {
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int (*before_start)(struct damon_ctx *context);
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int (*after_sampling)(struct damon_ctx *context);
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int (*after_aggregation)(struct damon_ctx *context);
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int (*before_terminate)(struct damon_ctx *context);
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void (*before_terminate)(struct damon_ctx *context);
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};
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/**
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@ -645,18 +645,17 @@ static void dbgfs_fill_ctx_dir(struct dentry *dir, struct damon_ctx *ctx)
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debugfs_create_file(file_names[i], 0600, dir, ctx, fops[i]);
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}
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static int dbgfs_before_terminate(struct damon_ctx *ctx)
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static void dbgfs_before_terminate(struct damon_ctx *ctx)
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{
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struct damon_target *t, *next;
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if (!targetid_is_pid(ctx))
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return 0;
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return;
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damon_for_each_target_safe(t, next, ctx) {
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put_pid((struct pid *)t->id);
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damon_destroy_target(t);
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}
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return 0;
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}
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static struct damon_ctx *dbgfs_new_ctx(void)
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