Commit cbd277b9 authored by Chen Ridong's avatar Chen Ridong Committed by yanhaitao
Browse files

cgroup/psi: reserve kabi for future psi development 

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8SA3O



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cgroup/psi: reserve kabi for future psi development
Signed-off-by: default avatarChen Ridong <chenridong@huawei.com>
parent 4187d63d

include/linux/psi_types.h

+28 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
#include <linux/types.h>

#include <linux/kref.h>

#include <linux/wait.h>

#include <linux/kabi.h>



#ifdef CONFIG_PSI
@@ -99,6 +100,12 @@ enum psi_stat_states { 
#ifdef CONFIG_QOS_SCHED

	PSI_CPU_QOS_FULL,

#endif

	PSI_STATE_RESERVE1,

	PSI_STATE_RESERVE2,

	PSI_STATE_RESERVE3,

	PSI_STATE_RESERVE4,

	PSI_STATE_RESERVE5,

	PSI_STATE_RESERVE6,

	NR_PSI_STAT_STATES,

};
@@ -113,6 +120,12 @@ enum psi_stat_task_count { 
	NR_ASYNC_MEMCG_RECLAIM_RUNNING,

	NR_SWAP,

	NR_SWAP_RUNNING,

	NR_PSI_ST_RESERVE1,

	NR_PSI_ST_RESERVE2,

	NR_PSI_ST_RESERVE3,

	NR_PSI_ST_RESERVE4,

	NR_PSI_ST_RESERVE5,

	NR_PSI_ST_RESERVE6,

	NR_PSI_STAT_TASK_COUNTS,

};

#endif /* CONFIG_PSI_FINE_GRAINED */
@@ -151,6 +164,11 @@ struct psi_group_cpu { 
	int prev_throttle;

	int cur_throttle;

#endif

	KABI_RESERVE(1)

	KABI_RESERVE(2)

	KABI_RESERVE(3)

	KABI_RESERVE(4)

	KABI_RESERVE(5)

};



/* PSI growth tracking window */
@@ -166,6 +184,9 @@ struct psi_window { 


	/* Value growth in the previous window */

	u64 prev_growth;

	KABI_RESERVE(1)

	KABI_RESERVE(2)

	KABI_RESERVE(3)

};



struct psi_trigger {
@@ -204,6 +225,9 @@ struct psi_trigger { 


	/* Trigger type - PSI_AVGS for unprivileged, PSI_POLL for RT */

	enum psi_aggregators aggregator;

	KABI_RESERVE(1)

	KABI_RESERVE(2)

	KABI_RESERVE(3)

};



struct psi_group {
@@ -259,6 +283,10 @@ struct psi_group { 
	u64 fine_grained_total[NR_PSI_AGGREGATORS][NR_PSI_STAT_STATES];

	unsigned long fine_grained_avg[NR_PSI_STAT_STATES][3];

#endif

	KABI_RESERVE(1)

	KABI_RESERVE(2)

	KABI_RESERVE(3)

	KABI_RESERVE(4)

};

#else /* CONFIG_PSI */