Commit c7e0b3d0 authored Aug 25, 2022 by Thomas Gleixner

mm/compaction: Get rid of RT ifdeffery



Move the RT dependency for the initial value of
sysctl_compact_unevictable_allowed into Kconfig.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220825164131.402717-7-bigeasy@linutronix.de

parent e575d401

mm/Kconfig

+6 −0

Original line number	Diff line number	Diff line
		@@ -579,6 +579,12 @@ config COMPACTION
		it and then we would be really interested to hear about that at
		linux-mm@kvack.org.

		config COMPACT_UNEVICTABLE_DEFAULT
		int
		depends on COMPACTION
		default 0 if PREEMPT_RT
		default 1

		#
		# support for free page reporting
		config PAGE_REPORTING

mm/compaction.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -1727,11 +1727,7 @@ typedef enum {
		* Allow userspace to control policy on scanning the unevictable LRU for
		* compactable pages.
		*/
		#ifdef CONFIG_PREEMPT_RT
		int sysctl_compact_unevictable_allowed __read_mostly = 0;
		#else
		int sysctl_compact_unevictable_allowed __read_mostly = 1;
		#endif
		int sysctl_compact_unevictable_allowed __read_mostly = CONFIG_COMPACT_UNEVICTABLE_DEFAULT;

		static inline void
		update_fast_start_pfn(struct compact_control *cc, unsigned long pfn)