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This commit is contained in:
Vladimir Kozlov 2013-06-06 11:02:25 -07:00
commit e62cfbfd5f
38 changed files with 689 additions and 317 deletions
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43
hotspot/src/os/bsd/vm/os_bsd.cpp
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@ -626,8 +626,6 @@ void os::Bsd::hotspot_sigmask(Thread* thread) {
//////////////////////////////////////////////////////////////////////////////
// create new thread
static address highest_vm_reserved_address();
// check if it's safe to start a new thread
static bool _thread_safety_check(Thread* thread) {
return true;
@ -2112,10 +2110,6 @@ bool os::pd_release_memory(char* addr, size_t size) {
return anon_munmap(addr, size);
}
static address highest_vm_reserved_address() {
return _highest_vm_reserved_address;
}
static bool bsd_mprotect(char* addr, size_t size, int prot) {
// Bsd wants the mprotect address argument to be page aligned.
char* bottom = (char*)align_size_down((intptr_t)addr, os::Bsd::page_size());
@ -2159,43 +2153,6 @@ bool os::Bsd::hugetlbfs_sanity_check(bool warn, size_t page_size) {
return false;
}
/*
* Set the coredump_filter bits to include largepages in core dump (bit 6)
*
* From the coredump_filter documentation:
*
* - (bit 0) anonymous private memory
* - (bit 1) anonymous shared memory
* - (bit 2) file-backed private memory
* - (bit 3) file-backed shared memory
* - (bit 4) ELF header pages in file-backed private memory areas (it is
* effective only if the bit 2 is cleared)
* - (bit 5) hugetlb private memory
* - (bit 6) hugetlb shared memory
*/
static void set_coredump_filter(void) {
FILE *f;
long cdm;
if ((f = fopen("/proc/self/coredump_filter", "r+")) == NULL) {
return;
}
if (fscanf(f, "%lx", &cdm) != 1) {
fclose(f);
return;
}
rewind(f);
if ((cdm & LARGEPAGES_BIT) == 0) {
cdm |= LARGEPAGES_BIT;
fprintf(f, "%#lx", cdm);
}
fclose(f);
}
// Large page support
static size_t _large_page_size = 0;