romenskiy2012/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-04-14 14:41:42 +03:00
Code Issues Projects Releases Packages Wiki Activity

Extents: Eagerly initialize extent hooks.

Browse source 
When deferred initialization was added, initializing required copying
sizeof(extent_hooks_t) bytes after a pointer chase. Today, it's just a single
pointer loaded from the base_t. In subsequent diffs, we'll get rid of even that.
This commit is contained in:
David Goldblatt 2019-11-18 14:03:22 -08:00 • committed by David Goldblatt
parent 4278f84603
commit 9f6eb09585
8 changed files with 173 additions and 201 deletions
Download patch file Download diff file Expand all files Collapse all files

18
src/large.c
View file

@ -105,7 +105,7 @@ large_ralloc_no_move_shrink(tsdn_t *tsdn, extent_t *extent, size_t usize) {
/* Split excess pages. */
if (diff != 0) {
extent_t *trail = extent_split_wrapper(tsdn, arena,
&extent_hooks, extent, usize + sz_large_pad,
extent_hooks, extent, usize + sz_large_pad,
sz_size2index(usize), false, diff, SC_NSIZES, false);
if (trail == NULL) {
return true;
@ -116,7 +116,7 @@ large_ralloc_no_move_shrink(tsdn_t *tsdn, extent_t *extent, size_t usize) {
extent_size_get(trail));
}
arena_extents_dirty_dalloc(tsdn, arena, &extent_hooks, trail);
arena_extents_dirty_dalloc(tsdn, arena, extent_hooks, trail);
}
arena_extent_ralloc_large_shrink(tsdn, arena, extent, oldusize);
@ -149,17 +149,17 @@ large_ralloc_no_move_expand(tsdn_t *tsdn, extent_t *extent, size_t usize,
bool commit = true;
extent_t *trail;
bool new_mapping;
if ((trail = extents_alloc(tsdn, arena, &extent_hooks,
if ((trail = extents_alloc(tsdn, arena, extent_hooks,
&arena->eset_dirty, extent_past_get(extent), trailsize, 0,
CACHELINE, false, SC_NSIZES, &is_zeroed_trail, &commit)) != NULL
|| (trail = extents_alloc(tsdn, arena, &extent_hooks,
|| (trail = extents_alloc(tsdn, arena, extent_hooks,
&arena->eset_muzzy, extent_past_get(extent), trailsize, 0,
CACHELINE, false, SC_NSIZES, &is_zeroed_trail, &commit)) != NULL) {
if (config_stats) {
new_mapping = false;
}
} else {
if ((trail = extent_alloc_wrapper(tsdn, arena, &extent_hooks,
if ((trail = extent_alloc_wrapper(tsdn, arena, extent_hooks,
extent_past_get(extent), trailsize, 0, CACHELINE, false,
SC_NSIZES, &is_zeroed_trail, &commit)) == NULL) {
return true;
@ -169,8 +169,8 @@ large_ralloc_no_move_expand(tsdn_t *tsdn, extent_t *extent, size_t usize,
}
}
if (extent_merge_wrapper(tsdn, arena, &extent_hooks, extent, trail)) {
extent_dalloc_wrapper(tsdn, arena, &extent_hooks, trail);
if (extent_merge_wrapper(tsdn, arena, extent_hooks, extent, trail)) {
extent_dalloc_wrapper(tsdn, arena, extent_hooks, trail);
return true;
}
rtree_ctx_t rtree_ctx_fallback;
@ -339,8 +339,8 @@ large_dalloc_prep_impl(tsdn_t *tsdn, arena_t *arena, extent_t *extent,
static void
large_dalloc_finish_impl(tsdn_t *tsdn, arena_t *arena, extent_t *extent) {
extent_hooks_t *extent_hooks = EXTENT_HOOKS_INITIALIZER;
arena_extents_dirty_dalloc(tsdn, arena, &extent_hooks, extent);
extent_hooks_t *extent_hooks = arena_get_extent_hooks(arena);
arena_extents_dirty_dalloc(tsdn, arena, extent_hooks, extent);
}
void