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6783381: NUMA allocator: don't pretouch eden space with UseNUMA

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Moved pretouching to MutableSpace. Also MutableSpace now turns on page interleaving for the region it covers.

Reviewed-by: jmasa, jcoomes
This commit is contained in:
Igor Veresov 2009-01-27 18:13:59 -08:00
parent f031c45430
commit da292a7197
8 changed files with 135 additions and 59 deletions
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22
hotspot/src/share/vm/gc_implementation/parallelScavenge/psVirtualspace.cpp
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@ -78,7 +78,7 @@ void PSVirtualSpace::release() {
_special = false;
}
bool PSVirtualSpace::expand_by(size_t bytes, bool pre_touch) {
bool PSVirtualSpace::expand_by(size_t bytes) {
assert(is_aligned(bytes), "arg not aligned");
DEBUG_ONLY(PSVirtualSpaceVerifier this_verifier(this));
@ -92,15 +92,6 @@ bool PSVirtualSpace::expand_by(size_t bytes, bool pre_touch) {
_committed_high_addr += bytes;
}
if (pre_touch || AlwaysPreTouch) {
for (char* curr = base_addr;
curr < _committed_high_addr;
curr += os::vm_page_size()) {
char tmp = *curr;
*curr = 0;
}
}
return result;
}
@ -255,7 +246,7 @@ PSVirtualSpaceHighToLow::PSVirtualSpaceHighToLow(ReservedSpace rs) {
DEBUG_ONLY(verify());
}
bool PSVirtualSpaceHighToLow::expand_by(size_t bytes, bool pre_touch) {
bool PSVirtualSpaceHighToLow::expand_by(size_t bytes) {
assert(is_aligned(bytes), "arg not aligned");
DEBUG_ONLY(PSVirtualSpaceVerifier this_verifier(this));
@ -269,15 +260,6 @@ bool PSVirtualSpaceHighToLow::expand_by(size_t bytes, bool pre_touch) {
_committed_low_addr -= bytes;
}
if (pre_touch || AlwaysPreTouch) {
for (char* curr = base_addr;
curr < _committed_high_addr;
curr += os::vm_page_size()) {
char tmp = *curr;
*curr = 0;
}
}
return result;
}