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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Steven Barrett <steven@liquorix.net>
Date: Sat, 5 Mar 2022 11:37:14 -0600
Subject: [PATCH] ZEN: INTERACTIVE: mm: Disable unevictable compaction
This option is already disabled when CONFIG_PREEMPT_RT is enabled, lets
turn it off when CONFIG_ZEN_INTERACTIVE is set as well.
---
init/Kconfig | 1 +
mm/compaction.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/init/Kconfig b/init/Kconfig
index 96e6511aa009543b871bd28bd9246cd68411286e..b7c7bdbd96c6d417f7ed5f8aee558044a121e351 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -125,6 +125,7 @@ config ZEN_INTERACTIVE
Background-reclaim hugepages...: no -> yes
MG-LRU minimum cache TTL.......: 0 -> 1000 ms
+ Compact Unevictable............: 1 -> 0
--- CFS CPU Scheduler ----------------------------------
diff --git a/mm/compaction.c b/mm/compaction.c
index fe915db6149b9c4c74a775b1d018b09b8d0fd68d..877b029a87e76aaad1c36669395dd3f359e14f03 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1736,7 +1736,7 @@ typedef enum {
* Allow userspace to control policy on scanning the unevictable LRU for
* compactable pages.
*/
-#ifdef CONFIG_PREEMPT_RT
+#if defined(CONFIG_PREEMPT_RT) || defined(CONFIG_ZEN_INTERACTIVE)
int sysctl_compact_unevictable_allowed __read_mostly = 0;
#else
int sysctl_compact_unevictable_allowed __read_mostly = 1;
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