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comparison src/os/solaris/vm/os_solaris.cpp @ 79:82db0859acbe

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6642862: Code cache allocation fails with large pages after 6588638 Reviewed-by: apetrusenko
author jcoomes
date Fri, 28 Mar 2008 23:35:42 -0700
parents 5a76ab815e34
children b97de546208e
comparison
equal deleted inserted replaced
78:e1e86702e43e 79:82db0859acbe
3087 UseISM = UseISM && 3087 UseISM = UseISM &&
3088 Solaris::ism_sanity_check(warn_on_failure, &_large_page_size); 3088 Solaris::ism_sanity_check(warn_on_failure, &_large_page_size);
3089 if (UseISM) { 3089 if (UseISM) {
3090 // ISM disables MPSS to be compatible with old JDK behavior 3090 // ISM disables MPSS to be compatible with old JDK behavior
3091 UseMPSS = false; 3091 UseMPSS = false;
3092 _page_sizes[0] = _large_page_size;
3093 _page_sizes[1] = vm_page_size();
3092 } 3094 }
3093 3095
3094 UseMPSS = UseMPSS && 3096 UseMPSS = UseMPSS &&
3095 Solaris::mpss_sanity_check(warn_on_failure, &_large_page_size); 3097 Solaris::mpss_sanity_check(warn_on_failure, &_large_page_size);
3096 3098
3173 } 3175 }
3174 3176
3175 // MPSS allows application to commit large page memory on demand; with ISM 3177 // MPSS allows application to commit large page memory on demand; with ISM
3176 // the entire memory region must be allocated as shared memory. 3178 // the entire memory region must be allocated as shared memory.
3177 bool os::can_commit_large_page_memory() { 3179 bool os::can_commit_large_page_memory() {
3180 return UseISM ? false : true;
3181 }
3182
3183 bool os::can_execute_large_page_memory() {
3178 return UseISM ? false : true; 3184 return UseISM ? false : true;
3179 } 3185 }
3180 3186
3181 static int os_sleep(jlong millis, bool interruptible) { 3187 static int os_sleep(jlong millis, bool interruptible) {
3182 const jlong limit = INT_MAX; 3188 const jlong limit = INT_MAX;