project-base/server-skynet-source-3rd-jemalloc
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enabling mpss on solaris/illumos.

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reusing slighty linux configuration as possible, aligning the
 address range to HUGEPAGE.
This commit is contained in:
David Carlier
2020-07-04 16:09:27 +01:00
committed by David Goldblatt
parent c2e7a06392
commit 00f06c9beb
5 changed files with 34 additions and 4 deletions
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2
src/jemalloc.c
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@@ -1533,7 +1533,7 @@ malloc_conf_init_helper(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS],
for (int i = 0; i < thp_mode_names_limit; i++) {
if (strncmp(thp_mode_names[i],v, vlen)
== 0) {
if (!have_madvise_huge) {
if (!have_madvise_huge && !have_memcntl) {
CONF_ERROR(
"No THP support",
k, klen, v, vlen);

15
src/pages.c
View File

@@ -363,8 +363,13 @@ pages_huge_impl(void *addr, size_t size, bool aligned) {
assert(HUGEPAGE_ADDR2BASE(addr) == addr);
assert(HUGEPAGE_CEILING(size) == size);
}
#ifdef JEMALLOC_HAVE_MADVISE_HUGE
#if defined(JEMALLOC_HAVE_MADVISE_HUGE)
return (madvise(addr, size, MADV_HUGEPAGE) != 0);
#elif defined(JEMALLOC_HAVE_MEMCNTL)
struct memcntl_mha m = {0};
m.mha_cmd = MHA_MAPSIZE_VA;
m.mha_pagesize = HUGEPAGE;
return (memcntl(addr, size, MC_HAT_ADVISE, (caddr_t)&m, 0, 0) == 0);
#else
return true;
#endif
@@ -561,14 +566,14 @@ pages_set_thp_state (void *ptr, size_t size) {
static void
init_thp_state(void) {
if (!have_madvise_huge) {
if (!have_madvise_huge && !have_memcntl) {
if (metadata_thp_enabled() && opt_abort) {
malloc_write("<jemalloc>: no MADV_HUGEPAGE support\n");
abort();
}
goto label_error;
}
#if defined(JEMALLOC_HAVE_MADVISE_HUGE)
static const char sys_state_madvise[] = "always [madvise] never\n";
static const char sys_state_always[] = "[always] madvise never\n";
static const char sys_state_never[] = "always madvise [never]\n";
@@ -608,6 +613,10 @@ init_thp_state(void) {
goto label_error;
}
return;
#elif defined(JEMALLOC_HAVE_MEMCNTL)
init_system_thp_mode = thp_mode_default;
return;
#endif
label_error:
opt_thp = init_system_thp_mode = thp_mode_not_supported;
}