romenskiy2012/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-06-26 05:45:49 +03:00
Code Issues Projects Releases Packages Wiki Activity

Arena chunk decommit cleanups and fixes.

Browse source 
Decommit arena chunk header during chunk deallocation if the rest of the
chunk is decommitted.
This commit is contained in:
Jason Evans 2015-08-09 16:47:27 -07:00
parent 4be0c3ca42
commit de249c8679
5 changed files with 55 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

1
include/jemalloc/internal/arena.h
View file

@ -838,6 +838,7 @@ arena_mapbits_unzeroed_set(arena_chunk_t *chunk, size_t pageind,
size_t *mapbitsp = arena_mapbitsp_get(chunk, pageind);
size_t mapbits = arena_mapbitsp_read(mapbitsp);
assert((mapbits & CHUNK_MAP_DECOMMITTED) == 0 || !unzeroed);
arena_mapbitsp_write(mapbitsp, (mapbits & ~CHUNK_MAP_UNZEROED) |
unzeroed);
}

2
include/jemalloc/internal/chunk.h
View file

@ -61,7 +61,7 @@ void *chunk_alloc_cache(arena_t *arena, chunk_hooks_t *chunk_hooks,
void *chunk_alloc_wrapper(arena_t *arena, chunk_hooks_t *chunk_hooks,
void *new_addr, size_t size, size_t alignment, bool *zero, bool *commit);
void chunk_dalloc_cache(arena_t *arena, chunk_hooks_t *chunk_hooks,
void *chunk, size_t size);
void *chunk, size_t size, bool committed);
void chunk_dalloc_arena(arena_t *arena, chunk_hooks_t *chunk_hooks,
void *chunk, size_t size, bool zeroed, bool committed);
void chunk_dalloc_wrapper(arena_t *arena, chunk_hooks_t *chunk_hooks,

3
include/jemalloc/internal/extent.h
View file

@ -27,7 +27,7 @@ struct extent_node_s {
/*
* True if physical memory is committed to the extent, whether
* explicitly or implicitly as on a system that overcommits and
* satisfies physical mamory needs on demand via soft page faults.
* satisfies physical memory needs on demand via soft page faults.
*/
bool en_committed;
@ -125,6 +125,7 @@ JEMALLOC_INLINE bool
extent_node_committed_get(const extent_node_t *node)
{
assert(!extent_node_achunk_get(node));
return (node->en_committed);
}