| From: Thomas Gleixner <tglx@linutronix.de> |
| Date: Mon, 12 Aug 2013 09:16:09 +0200 |
| Subject: mm: disable slab on rt |
| |
| --- |
| init/Kconfig | 1 + |
| mm/slab.h | 4 ++++ |
| 2 files changed, 5 insertions(+) |
| |
| --- a/init/Kconfig |
| +++ b/init/Kconfig |
| @@ -1534,6 +1534,7 @@ choice |
| |
| config SLAB |
| bool "SLAB" |
| + depends on !PREEMPT_RT_FULL |
| help |
| The regular slab allocator that is established and known to work |
| well in all environments. It organizes cache hot objects in |
| --- a/mm/slab.h |
| +++ b/mm/slab.h |
| @@ -247,7 +247,11 @@ static inline struct kmem_cache *cache_f |
| * The slab lists for all objects. |
| */ |
| struct kmem_cache_node { |
| +#ifdef CONFIG_SLAB |
| spinlock_t list_lock; |
| +#else |
| + raw_spinlock_t list_lock; |
| +#endif |
| |
| #ifdef CONFIG_SLAB |
| struct list_head slabs_partial; /* partial list first, better asm code */ |
