diff options
Diffstat (limited to '0028-ZEN-INTERACTIVE-mm-Disable-proactive-compaction-by-d.patch')
| -rw-r--r-- | 0028-ZEN-INTERACTIVE-mm-Disable-proactive-compaction-by-d.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/0028-ZEN-INTERACTIVE-mm-Disable-proactive-compaction-by-d.patch b/0028-ZEN-INTERACTIVE-mm-Disable-proactive-compaction-by-d.patch new file mode 100644 index 000000000000..906a7f805aa5 --- /dev/null +++ b/0028-ZEN-INTERACTIVE-mm-Disable-proactive-compaction-by-d.patch @@ -0,0 +1,45 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Sultan Alsawaf <sultan@kerneltoast.com> +Date: Sat, 24 Oct 2020 22:17:49 -0700 +Subject: [PATCH] ZEN: INTERACTIVE: mm: Disable proactive compaction by default + +On-demand compaction works fine assuming that you don't have a need to +spam the page allocator nonstop for large order page allocations. + +Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com> +--- + init/Kconfig | 1 + + mm/compaction.c | 4 ++++ + 2 files changed, 5 insertions(+) + +diff --git a/init/Kconfig b/init/Kconfig +index 0e478db562b0..b7c05783bde6 100644 +--- a/init/Kconfig ++++ b/init/Kconfig +@@ -122,6 +122,7 @@ config ZEN_INTERACTIVE + Background-reclaim hugepages...: no -> yes + MG-LRU minimum cache TTL.......: 0 -> 1000 ms + Compact Unevictable............: 1 -> 0 ++ Proactive Compaction...........: 20 -> 0 + + --- CFS CPU Scheduler ---------------------------------- + +diff --git a/mm/compaction.c b/mm/compaction.c +index f713c3ca03fa..63c536175152 100644 +--- a/mm/compaction.c ++++ b/mm/compaction.c +@@ -2705,7 +2705,11 @@ static void compact_nodes(void) + * aggressively the kernel should compact memory in the + * background. It takes values in the range [0, 100]. + */ ++#ifdef CONFIG_ZEN_INTERACTIVE ++unsigned int __read_mostly sysctl_compaction_proactiveness; ++#else + unsigned int __read_mostly sysctl_compaction_proactiveness = 20; ++#endif + + int compaction_proactiveness_sysctl_handler(struct ctl_table *table, int write, + void *buffer, size_t *length, loff_t *ppos) +-- +2.35.1 + |