/* 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 */