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7082969: NUMA interleaving

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Support interleaving on NUMA systems for collectors that don't have NUMA-awareness.

Reviewed-by: iveresov, ysr
This commit is contained in:
Tom Deneau 2011-08-25 02:57:46 -07:00 • committed by Igor Veresov
parent 0c6ad2c298
commit 06d05b7c47
6 changed files with 383 additions and 105 deletions
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17
hotspot/src/os/solaris/vm/os_solaris.cpp
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@ -2777,8 +2777,14 @@ int os::vm_allocation_granularity() {
bool os::commit_memory(char* addr, size_t bytes, bool exec) {
int prot = exec ? PROT_READ|PROT_WRITE|PROT_EXEC : PROT_READ|PROT_WRITE;
size_t size = bytes;
return
NULL != Solaris::mmap_chunk(addr, size, MAP_PRIVATE|MAP_FIXED, prot);
char *res = Solaris::mmap_chunk(addr, size, MAP_PRIVATE|MAP_FIXED, prot);
if (res != NULL) {
if (UseNUMAInterleaving) {
numa_make_global(addr, bytes);
}
return true;
}
return false;
}
bool os::commit_memory(char* addr, size_t bytes, size_t alignment_hint,
@ -3389,12 +3395,11 @@ bool os::Solaris::set_mpss_range(caddr_t start, size_t bytes, size_t align) {
return true;
}
char* os::reserve_memory_special(size_t bytes, char* addr, bool exec) {
char* os::reserve_memory_special(size_t size, char* addr, bool exec) {
// "exec" is passed in but not used. Creating the shared image for
// the code cache doesn't have an SHM_X executable permission to check.
assert(UseLargePages && UseISM, "only for ISM large pages");
size_t size = bytes;
char* retAddr = NULL;
int shmid;
key_t ismKey;
@ -3436,7 +3441,9 @@ char* os::reserve_memory_special(size_t bytes, char* addr, bool exec) {
}
return NULL;
}
if ((retAddr != NULL) && UseNUMAInterleaving) {
numa_make_global(retAddr, size);
}
return retAddr;
}