ced816a76b
The current patch series introduces DAMON based migration across NUMA nodes so it'd be better to have a new migrate_reason in trace events. Link: https://lkml.kernel.org/r/20240614030010.751-5-honggyu.kim@sk.com Signed-off-by: Honggyu Kim <honggyu.kim@sk.com> Reviewed-by: SeongJae Park <sj@kernel.org> Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Gregory Price <gregory.price@memverge.com> Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com> Cc: Hyeongtak Ji <hyeongtak.ji@sk.com> Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Rakie Kim <rakie.kim@sk.com> Cc: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
31 lines
713 B
C
31 lines
713 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef MIGRATE_MODE_H_INCLUDED
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#define MIGRATE_MODE_H_INCLUDED
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/*
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* MIGRATE_ASYNC means never block
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* MIGRATE_SYNC_LIGHT in the current implementation means to allow blocking
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* on most operations but not ->writepage as the potential stall time
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* is too significant
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* MIGRATE_SYNC will block when migrating pages
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*/
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enum migrate_mode {
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MIGRATE_ASYNC,
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MIGRATE_SYNC_LIGHT,
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MIGRATE_SYNC,
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};
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enum migrate_reason {
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MR_COMPACTION,
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MR_MEMORY_FAILURE,
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MR_MEMORY_HOTPLUG,
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MR_SYSCALL, /* also applies to cpusets */
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MR_MEMPOLICY_MBIND,
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MR_NUMA_MISPLACED,
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MR_CONTIG_RANGE,
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MR_LONGTERM_PIN,
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MR_DEMOTION,
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MR_DAMON,
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MR_TYPES
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};
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#endif /* MIGRATE_MODE_H_INCLUDED */
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