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-rw-r--r--debian/patches-rt/0041-mm-Allow-only-slub-on-RT.patch37
1 files changed, 37 insertions, 0 deletions
diff --git a/debian/patches-rt/0041-mm-Allow-only-slub-on-RT.patch b/debian/patches-rt/0041-mm-Allow-only-slub-on-RT.patch
new file mode 100644
index 000000000..b41b5188e
--- /dev/null
+++ b/debian/patches-rt/0041-mm-Allow-only-slub-on-RT.patch
@@ -0,0 +1,37 @@
+From 8b775963cebd7cc5b3416a9d8f85ef4c343874df Mon Sep 17 00:00:00 2001
+From: Ingo Molnar <mingo@elte.hu>
+Date: Fri, 3 Jul 2009 08:44:03 -0500
+Subject: [PATCH 041/347] mm: Allow only slub on RT
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz
+
+Disable SLAB and SLOB on -RT. Only SLUB is adopted to -RT needs.
+
+Signed-off-by: Ingo Molnar <mingo@elte.hu>
+Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
+---
+ init/Kconfig | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/init/Kconfig b/init/Kconfig
+index 15c02e15d3fd..45a9846f1464 100644
+--- a/init/Kconfig
++++ b/init/Kconfig
+@@ -1650,6 +1650,7 @@ 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
+@@ -1670,6 +1671,7 @@ 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
+--
+2.36.1
+