archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-26 14:24:46 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6629887: 64-bit windows should not restrict default heap size to 1400m

Browse source 
Reviewed-by: jmasa, sbohne, ikrylov, xlu
This commit is contained in:
Paul Hohensee 2007-12-05 09:04:00 -08:00
parent b3b837074b
commit 4576d7abf7
3 changed files with 19 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

14
hotspot/src/os/linux/vm/os_linux.cpp
View file

@ -116,6 +116,20 @@ julong os::physical_memory() {
return Linux::physical_memory();
}
julong os::allocatable_physical_memory(julong size) {
#ifdef _LP64
return size;
#else
julong result = MIN2(size, (julong)3800*M);
if (!is_allocatable(result)) {
// See comments under solaris for alignment considerations
julong reasonable_size = (julong)2*G - 2 * os::vm_page_size();
result = MIN2(size, reasonable_size);
}
return result;
#endif // _LP64
}
////////////////////////////////////////////////////////////////////////////////
// environment support