[linux-2.6-block.git] / include / linux / migrate_mode.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef MIGRATE_MODE_H_INCLUDED
#define MIGRATE_MODE_H_INCLUDED
/*
 * MIGRATE_ASYNC means never block
 * MIGRATE_SYNC_LIGHT in the current implementation means to allow blocking
 *	on most operations but not ->writepage as the potential stall time
 *	is too significant
 * MIGRATE_SYNC will block when migrating pages
 */
enum migrate_mode {
	MIGRATE_ASYNC,
	MIGRATE_SYNC_LIGHT,
	MIGRATE_SYNC,
};

enum migrate_reason {
	MR_COMPACTION,
	MR_MEMORY_FAILURE,
	MR_MEMORY_HOTPLUG,
	MR_SYSCALL,		/* also applies to cpusets */
	MR_MEMPOLICY_MBIND,
	MR_NUMA_MISPLACED,
	MR_CONTIG_RANGE,
	MR_LONGTERM_PIN,
	MR_DEMOTION,
	MR_DAMON,
	MR_TYPES
};

#endif		/* MIGRATE_MODE_H_INCLUDED */
Commit	Line	Data
	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	#ifndef MIGRATE_MODE_H_INCLUDED
	3	#define MIGRATE_MODE_H_INCLUDED
	4	/*
	5	* MIGRATE_ASYNC means never block
	6	* MIGRATE_SYNC_LIGHT in the current implementation means to allow blocking
	7	* on most operations but not ->writepage as the potential stall time
	8	* is too significant
	9	* MIGRATE_SYNC will block when migrating pages
	10	*/
	11	enum migrate_mode {
	12	MIGRATE_ASYNC,
	13	MIGRATE_SYNC_LIGHT,
	14	MIGRATE_SYNC,
	15	};
	16
	17	enum migrate_reason {
	18	MR_COMPACTION,
	19	MR_MEMORY_FAILURE,
	20	MR_MEMORY_HOTPLUG,
	21	MR_SYSCALL, /* also applies to cpusets */
	22	MR_MEMPOLICY_MBIND,
	23	MR_NUMA_MISPLACED,
	24	MR_CONTIG_RANGE,
	25	MR_LONGTERM_PIN,
	26	MR_DEMOTION,
	27	MR_DAMON,
	28	MR_TYPES
	29	};
	30
	31	#endif /* MIGRATE_MODE_H_INCLUDED */