[Kernel] Preparing for the impacts of kernel version 6.18

Author: cyring

Makefile

@@ -4,7 +4,7 @@
 
 COREFREQ_MAJOR = 2
 COREFREQ_MINOR = 0
-COREFREQ_REV = 8
+COREFREQ_REV = 9
 HW = $(shell uname -m)
 CC ?= cc
 WARNING ?= -Wall -Wfatal-errors

aarch64/corefreqk.c

@@ -4601,7 +4601,12 @@ static int CoreFreqK_Policy_Init(struct cpufreq_policy *policy)
 					 * Core->Clock.Hz) / 1000LLU;
 
 		/*		MANDATORY Per-CPU Initialization	*/
+	    #if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 18, 0)
+		policy->cpuinfo.transition_latency = \
+					CPUFREQ_DEFAULT_TRANSITION_LATENCY_NS;
+	    #else
 		policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
+	    #endif
 		policy->cur = policy->cpuinfo.max_freq;
 		policy->min = policy->cpuinfo.min_freq;
 		policy->max = policy->cpuinfo.max_freq;

ppc64le/corefreqk.c

@@ -2661,7 +2661,12 @@ static int CoreFreqK_Policy_Init(struct cpufreq_policy *policy)
 					 * Core->Clock.Hz) / 1000LLU;
 
 		/*		MANDATORY Per-CPU Initialization	*/
+	    #if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 18, 0)
+		policy->cpuinfo.transition_latency = \
+					CPUFREQ_DEFAULT_TRANSITION_LATENCY_NS;
+	    #else
 		policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
+	    #endif
 		policy->cur = policy->cpuinfo.max_freq;
 		policy->min = policy->cpuinfo.min_freq;
 		policy->max = policy->cpuinfo.max_freq;

riscv64/corefreqk.c

@@ -2648,7 +2648,12 @@ static int CoreFreqK_Policy_Init(struct cpufreq_policy *policy)
 					 * Core->Clock.Hz) / 1000LLU;
 
 		/*		MANDATORY Per-CPU Initialization	*/
+	    #if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 18, 0)
+		policy->cpuinfo.transition_latency = \
+					CPUFREQ_DEFAULT_TRANSITION_LATENCY_NS;
+	    #else
 		policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
+	    #endif
 		policy->cur = policy->cpuinfo.max_freq;
 		policy->min = policy->cpuinfo.min_freq;
 		policy->max = policy->cpuinfo.max_freq;

x86_64/corefreqk.c

@@ -22005,7 +22005,12 @@ static int CoreFreqK_Policy_Init(struct cpufreq_policy *policy)
 					 * Core->Clock.Hz) / 1000LLU;
 
 		/*		MANDATORY Per-CPU Initialization	*/
+	    #if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 18, 0)
+		policy->cpuinfo.transition_latency = \
+					CPUFREQ_DEFAULT_TRANSITION_LATENCY_NS;
+	    #else
 		policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
+	    #endif
 		policy->cur = policy->cpuinfo.max_freq;
 		policy->min = policy->cpuinfo.min_freq;
 		policy->max = policy->cpuinfo.max_freq;