mm/damon/vaddr: use pr_debug() for damon_va_three_regions() failure logging

Failure of 'damon_va_three_regions()' is logged using 'pr_err()'.  But,
the function can fail in legal situations.  To avoid making users be
surprised and to keep the kernel clean, this makes the log to be printed
using 'pr_debug()'.

Link: https://lkml.kernel.org/r/20211229131016.23641-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c
index ee465b3806127e6d88a812e18c0389b2c7b26d7c..223829655d64b40fd6534220beec47ff1306bb4e 100644 (file)
--- a/mm/damon/vaddr.c
+++ b/mm/damon/vaddr.c
@@ -238,7 +238,7 @@ static void __damon_va_init_regions(struct damon_ctx *ctx,
        int i;
 
        if (damon_va_three_regions(t, regions)) {
-               pr_err("Failed to get three regions of target %lu\n", t->id);
+               pr_debug("Failed to get three regions of target %lu\n", t->id);
                return;
        }