From: Ingo Molnar Date: Fri, 3 Jul 2009 08:44:03 -0500 Subject: mm: Allow only slub on RT Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.18/older/patches-4.18.7-rt5.tar.xz Disable SLAB and SLOB on -RT. Only SLUB is adopted to -RT needs. Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- init/Kconfig | 2 ++ 1 file changed, 2 insertions(+) --- a/init/Kconfig +++ b/init/Kconfig @@ -1591,6 +1591,7 @@ choice config SLAB bool "SLAB" + depends on !PREEMPT_RT_FULL select HAVE_HARDENED_USERCOPY_ALLOCATOR help The regular slab allocator that is established and known to work @@ -1611,6 +1612,7 @@ config SLUB config SLOB depends on EXPERT bool "SLOB (Simple Allocator)" + depends on !PREEMPT_RT_FULL help SLOB replaces the stock allocator with a drastically simpler allocator. SLOB is generally more space efficient but