mm/damon/core: remove unnecessary error messages
authorSeongJae Park <sj@kernel.org>
Fri, 10 Dec 2021 22:46:34 +0000 (14:46 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 11 Dec 2021 01:10:55 +0000 (17:10 -0800)
commit1afaf5cb687de85c5e00ac70f6eea5597077cbc5
tree3caa796dbf4aa179a8d8149ee256229f76982e4e
parent0bceffa236af401f5206feaf3538526cbc427209
mm/damon/core: remove unnecessary error messages

DAMON core prints error messages when damon_target object creation is
failed or wrong monitoring attributes are given.  Because appropriate
error code is returned for each case, the messages are not essential.
Also, because the code path can be triggered with user-specified input,
this could result in kernel log mistakenly being messy.  To avoid the
case, this commit removes the messages.

Link: https://lkml.kernel.org/r/20211201150440.1088-4-sj@kernel.org
Fixes: 4bc05954d007 ("mm/damon: implement a debugfs-based user space interface")
Fixes: b9a6ac4e4ede ("mm/damon: adaptively adjust regions")
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: kernel test robot <lkp@intel.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/damon/core.c