By moving the O option detection into the switch statement, we allow this
parameter to be combined with other options correctly. Previously options like
slub_debug=OFZ would only detect the 'o' and use DEBUG_DEFAULT_FLAGS to fill
in the rest of the flags.
Signed-off-by: Chris J Arges <chris.j.ar...@canonical.com>
---
mm/slub.c | 16 +++++++---------
1 file changed, 7 insertions(+), 9 deletions(-)
diff --git a/mm/slub.c b/mm/slub.c
index 06cdb18..88482f8 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1112,15 +1112,6 @@ static int __init setup_slub_debug(char *str)
*/
goto check_slabs;
- if (tolower(*str) == 'o') {
- /*
- * Avoid enabling debugging on caches if its minimum order
- * would increase as a result.
- */
- disable_higher_order_debug = 1;
- goto out;
- }
-
slub_debug = 0;
if (*str == '-')
/*
@@ -1151,6 +1142,13 @@ static int __init setup_slub_debug(char *str)
case 'a':
slub_debug |= SLAB_FAILSLAB;
break;
+ case 'o':
+ /*
+ * Avoid enabling debugging on caches if its minimum
+ * order would increase as a result.
+ */
+ disable_higher_order_debug = 1;
+ break;
default:
pr_err("slub_debug option '%c' unknown. skipped\n",
*str);
--
1.9.1
--
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