From: kbuild test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [lkp] [+618 bytes kernel size regression] [i386-tinyconfig] [0a27074469] rcu/tiny: support reclaim for head-less object
Date: Wed, 29 Apr 2020 14:01:51 +0800 [thread overview]
Message-ID: <20200429060150.GA43416@04cb3a94dea8> (raw)
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FYI, we noticed a +618 bytes kernel size regression due to commit:
commit: 0a2707446991f80336b8d89c942e498973d4793e (rcu/tiny: support reclaim for head-less object)
url: https://github.com/0day-ci/linux/commits/Uladzislau-Rezki-Sony/Introduce-kvfree_rcu-1-or-2-arguments/20200429-061752
Details as below (size data is obtained by `nm --size-sort vmlinux`):
02dabf68: rcu/tiny: move kvfree_call_rcu() out of header
0a270744: rcu/tiny: support reclaim for head-less object
+----------------------------+----------+----------+-------+
| symbol | 02dabf68 | 0a270744 | delta |
+----------------------------+----------+----------+-------+
| bzImage | 439392 | 439680 | 288 |
| nm.T.kvfree_call_rcu | 5 | 209 | 204 |
| nm.T.rcu_init | 25 | 157 | 132 |
| nm.t.kvfree_rcu_monitor | 0 | 96 | 96 |
| nm.t.kvfree_rcu_work | 0 | 81 | 81 |
| nm.b.monitor_work | 0 | 44 | 44 |
| nm.b.rcu_work | 0 | 28 | 28 |
| nm.t.rcu_process_callbacks | 146 | 153 | 7 |
| nm.T.call_rcu | 46 | 51 | 5 |
| nm.b.kvcache | 0 | 4 | 4 |
| nm.b.kvhead | 0 | 4 | 4 |
| nm.b.kvhead_free | 0 | 4 | 4 |
| nm.b.rcu_init_done | 0 | 4 | 4 |
| nm.T.rcu_qs | 36 | 40 | 4 |
| nm.b.monitor_todo | 0 | 1 | 1 |
+----------------------------+----------+----------+-------+
Thanks,
Kbuild test robot
reply other threads:[~2020-04-29 6:01 UTC|newest]
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