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make lazy commit default; add commit check on segment allocation

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daan 2020-04-28 16:46:00 -07:00
parent 1b0de9b4cf
commit f86519bca6
2 changed files with 4 additions and 3 deletions
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4
src/options.c
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@ -60,7 +60,7 @@ static mi_option_desc_t options[_mi_option_last] =
{ 0, UNINIT, MI_OPTION(verbose) },
// the following options are experimental and not all combinations make sense.
{ 1, UNINIT, MI_OPTION(eager_commit) }, // commit on demand?
{ 0, UNINIT, MI_OPTION(eager_commit) }, // commit on demand?
#if defined(_WIN32) || (MI_INTPTR_SIZE <= 4) // and other OS's without overcommit?
{ 0, UNINIT, MI_OPTION(eager_region_commit) },
{ 0, UNINIT, MI_OPTION(reset_decommits) }, // reset decommits memory
@ -79,7 +79,7 @@ static mi_option_desc_t options[_mi_option_last] =
#else
{ 1, UNINIT, MI_OPTION(eager_commit_delay) }, // the first N segments per thread are not eagerly committed
#endif
{ 1, UNINIT, MI_OPTION(allow_decommit) }, // decommit pages when not eager committed
{ 1, UNINIT, MI_OPTION(allow_decommit) }, // decommit pages when not eager committed
{ 100, UNINIT, MI_OPTION(reset_delay) }, // reset delay in milli-seconds
{ 1000, UNINIT, MI_OPTION(arena_reset_delay) }, // reset delay in milli-seconds
{ 0, UNINIT, MI_OPTION(use_numa_nodes) }, // 0 = use available numa nodes, otherwise use at most N nodes.

3
src/segment.c
View File

@ -671,7 +671,8 @@ static mi_segment_t* mi_segment_init(mi_segment_t* segment, size_t required, mi_
if (!commit) {
// at least commit the info slices
mi_assert_internal(MI_COMMIT_SIZE > info_slices*MI_SEGMENT_SLICE_SIZE);
_mi_os_commit(segment, MI_COMMIT_SIZE, &is_zero, tld->stats);
bool ok = _mi_os_commit(segment, MI_COMMIT_SIZE, &is_zero, tld->stats);
if (!ok) return NULL; // failed to commit
}
segment->memid = memid;
segment->mem_is_fixed = mem_large;