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Incorporate szind/slab into rtree leaves.

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Expand and restructure the rtree API such that all common operations can
be achieved with minimal work, regardless of whether the rtree leaf
fields are independent versus packed into a single atomic pointer.
This commit is contained in:
Jason Evans
2017-03-16 17:57:52 -07:00
parent 944c8a3383
commit 99d68445ef
13 changed files with 471 additions and 226 deletions
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17
src/large.c
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@@ -66,8 +66,8 @@ large_palloc(tsdn_t *tsdn, arena_t *arena, size_t usize, size_t alignment,
#define large_dalloc_junk JEMALLOC_N(n_large_dalloc_junk)
#endif
void
large_dalloc_junk(void *ptr, size_t usize) {
memset(ptr, JEMALLOC_FREE_JUNK, usize);
large_dalloc_junk(void *ptr, size_t size) {
memset(ptr, JEMALLOC_FREE_JUNK, size);
}
#ifdef JEMALLOC_JET
#undef large_dalloc_junk
@@ -80,14 +80,14 @@ large_dalloc_junk_t *large_dalloc_junk = JEMALLOC_N(n_large_dalloc_junk);
#define large_dalloc_maybe_junk JEMALLOC_N(n_large_dalloc_maybe_junk)
#endif
void
large_dalloc_maybe_junk(void *ptr, size_t usize) {
large_dalloc_maybe_junk(void *ptr, size_t size) {
if (config_fill && have_dss && unlikely(opt_junk_free)) {
/*
* Only bother junk filling if the extent isn't about to be
* unmapped.
*/
if (!config_munmap || (have_dss && extent_in_dss(ptr))) {
large_dalloc_junk(ptr, usize);
large_dalloc_junk(ptr, size);
}
}
}
@@ -115,7 +115,7 @@ large_ralloc_no_move_shrink(tsdn_t *tsdn, extent_t *extent, size_t usize) {
if (diff != 0) {
extent_t *trail = extent_split_wrapper(tsdn, arena,
&extent_hooks, extent, usize + large_pad, size2index(usize),
diff, NSIZES);
false, diff, NSIZES, false);
if (trail == NULL) {
return true;
}
@@ -182,7 +182,12 @@ large_ralloc_no_move_expand(tsdn_t *tsdn, extent_t *extent, size_t usize,
extent_dalloc_wrapper(tsdn, arena, &extent_hooks, trail);
return true;
}
extent_szind_set(extent, size2index(usize));
rtree_ctx_t rtree_ctx_fallback;
rtree_ctx_t *rtree_ctx = tsdn_rtree_ctx(tsdn, &rtree_ctx_fallback);
szind_t szind = size2index(usize);
extent_szind_set(extent, szind);
rtree_szind_slab_update(tsdn, &extents_rtree, rtree_ctx,
(uintptr_t)extent_addr_get(extent), szind, false);
if (config_stats && new_mapping) {
arena_stats_mapped_add(tsdn, &arena->stats, trailsize);