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| author | He Zhe <zhe.he@windriver.com> | 2018-09-29 18:45:53 +0200 |
|---|---|---|
| committer | Petr Mladek <pmladek@suse.com> | 2018-10-09 14:02:05 +0200 |
| commit | e6fe3e5b7d16e8f146a4ae7fe481bc6e97acde1e (patch) | |
| tree | 501f09fb02ba30c5ad9ae153a14740886ed7ae00 /kernel/crash_dump.c | |
| parent | printk: Add KBUILD_MODNAME and remove a redundant print prefix (diff) | |
| download | linux-e6fe3e5b7d16e8f146a4ae7fe481bc6e97acde1e.tar.xz linux-e6fe3e5b7d16e8f146a4ae7fe481bc6e97acde1e.zip | |
printk: Give error on attempt to set log buffer length to over 2G
The current printk() is ready to handle log buffer size up to 2G.
Give an explicit error for users who want to use larger log buffer.
Also fix printk formatting to show the 2G as a positive number.
Link: http://lkml.kernel.org/r/20181008135916.gg4kkmoki5bgtco5@pathway.suse.cz
Cc: rostedt@goodmis.org
Cc: linux-kernel@vger.kernel.org
Suggested-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: He Zhe <zhe.he@windriver.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
[pmladek: Fixed to the really safe limit 2GB.]
Signed-off-by: Petr Mladek <pmladek@suse.com>
Diffstat (limited to 'kernel/crash_dump.c')
0 files changed, 0 insertions, 0 deletions