archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 07:14:30 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

7040485: Use transparent huge page on linux by default

Browse source 
Turn on UseLargePages by default but try only HugeTLBFS method if it is not explicitly specified on the command line.

Reviewed-by: ysr
This commit is contained in:
Igor Veresov 2011-04-29 12:39:32 -07:00
parent 5b3550c107
commit 2abb1bbd58
5 changed files with 20 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

7
hotspot/src/os/solaris/vm/os_solaris.cpp
View file

@ -3336,11 +3336,11 @@ bool os::Solaris::mpss_sanity_check(bool warn, size_t * page_size) {
return true;
}
bool os::large_page_init() {
void os::large_page_init() {
if (!UseLargePages) {
UseISM = false;
UseMPSS = false;
return false;
return;
}
// print a warning if any large page related flag is specified on command line
@ -3361,7 +3361,6 @@ bool os::large_page_init() {
Solaris::mpss_sanity_check(warn_on_failure, &_large_page_size);
UseLargePages = UseISM || UseMPSS;
return UseLargePages;
}
bool os::Solaris::set_mpss_range(caddr_t start, size_t bytes, size_t align) {
@ -4992,7 +4991,7 @@ jint os::init_2(void) {
#endif
}
FLAG_SET_DEFAULT(UseLargePages, os::large_page_init());
os::large_page_init();
// Check minimum allowable stack size for thread creation and to initialize
// the java system classes, including StackOverflowError - depends on page