diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | include/malloc.h | 1 | ||||
| -rw-r--r-- | malloc/arena.c | 84 |
3 files changed, 46 insertions, 43 deletions
@@ -1,5 +1,9 @@ 2005-10-12 Ulrich Drepper <drepper@redhat.com> + * include/malloc.h: Remove _int_new_arena prototype. + * malloc/arena.c (_int_new_arena): Move definition ahead of + arena_get2 and make static. + Correctly implement M_MXFAST. * malloc/malloc.c (struct malloc_state): Replace max_fast with flags fields. diff --git a/include/malloc.h b/include/malloc.h index f0164a6273..1a20248559 100644 --- a/include/malloc.h +++ b/include/malloc.h @@ -12,7 +12,6 @@ extern int __malloc_initialized attribute_hidden; struct malloc_state; typedef struct malloc_state *mstate; -extern mstate _int_new_arena (size_t __ini_size) attribute_hidden; extern __malloc_ptr_t _int_malloc (mstate __m, size_t __size) attribute_hidden; extern void _int_free (mstate __m, __malloc_ptr_t __ptr) attribute_hidden; diff --git a/malloc/arena.c b/malloc/arena.c index 039d70ff18..abbca1f02e 100644 --- a/malloc/arena.c +++ b/malloc/arena.c @@ -786,6 +786,48 @@ heap_trim(heap, pad) heap_info *heap; size_t pad; return 1; } +/* Create a new arena with initial size "size". */ + +static mstate +_int_new_arena(size_t size) +{ + mstate a; + heap_info *h; + char *ptr; + unsigned long misalign; + + h = new_heap(size + (sizeof(*h) + sizeof(*a) + MALLOC_ALIGNMENT), + mp_.top_pad); + if(!h) { + /* Maybe size is too large to fit in a single heap. So, just try + to create a minimally-sized arena and let _int_malloc() attempt + to deal with the large request via mmap_chunk(). */ + h = new_heap(sizeof(*h) + sizeof(*a) + MALLOC_ALIGNMENT, mp_.top_pad); + if(!h) + return 0; + } + a = h->ar_ptr = (mstate)(h+1); + malloc_init_state(a); + /*a->next = NULL;*/ + a->system_mem = a->max_system_mem = h->size; + arena_mem += h->size; +#ifdef NO_THREADS + if((unsigned long)(mp_.mmapped_mem + arena_mem + main_arena.system_mem) > + mp_.max_total_mem) + mp_.max_total_mem = mp_.mmapped_mem + arena_mem + main_arena.system_mem; +#endif + + /* Set up the top chunk, with proper alignment. */ + ptr = (char *)(a + 1); + misalign = (unsigned long)chunk2mem(ptr) & MALLOC_ALIGN_MASK; + if (misalign > 0) + ptr += MALLOC_ALIGNMENT - misalign; + top(a) = (mchunkptr)ptr; + set_head(top(a), (((char*)h + h->size) - ptr) | PREV_INUSE); + + return a; +} + static mstate internal_function #if __STD_C @@ -856,48 +898,6 @@ arena_get2(a_tsd, size) mstate a_tsd; size_t size; return a; } -/* Create a new arena with initial size "size". */ - -mstate -_int_new_arena(size_t size) -{ - mstate a; - heap_info *h; - char *ptr; - unsigned long misalign; - - h = new_heap(size + (sizeof(*h) + sizeof(*a) + MALLOC_ALIGNMENT), - mp_.top_pad); - if(!h) { - /* Maybe size is too large to fit in a single heap. So, just try - to create a minimally-sized arena and let _int_malloc() attempt - to deal with the large request via mmap_chunk(). */ - h = new_heap(sizeof(*h) + sizeof(*a) + MALLOC_ALIGNMENT, mp_.top_pad); - if(!h) - return 0; - } - a = h->ar_ptr = (mstate)(h+1); - malloc_init_state(a); - /*a->next = NULL;*/ - a->system_mem = a->max_system_mem = h->size; - arena_mem += h->size; -#ifdef NO_THREADS - if((unsigned long)(mp_.mmapped_mem + arena_mem + main_arena.system_mem) > - mp_.max_total_mem) - mp_.max_total_mem = mp_.mmapped_mem + arena_mem + main_arena.system_mem; -#endif - - /* Set up the top chunk, with proper alignment. */ - ptr = (char *)(a + 1); - misalign = (unsigned long)chunk2mem(ptr) & MALLOC_ALIGN_MASK; - if (misalign > 0) - ptr += MALLOC_ALIGNMENT - misalign; - top(a) = (mchunkptr)ptr; - set_head(top(a), (((char*)h + h->size) - ptr) | PREV_INUSE); - - return a; -} - #endif /* USE_ARENAS */ /* |