2639 static struct malloc_params mparams;  variable
2642 #define ensure_initialization() (void)(mparams.magic != 0 || init_mparams())
2685  (((S) + (mparams.page_size - SIZE_T_ONE)) & ~(mparams.page_size - SIZE_T_ONE))
2689   (((S) + (mparams.granularity - SIZE_T_ONE))\
2690    & ~(mparams.granularity - SIZE_T_ONE))
2704    (((size_t)(S) & (mparams.page_size - SIZE_T_ONE)) == 0)
2706    (((size_t)(S) & (mparams.granularity - SIZE_T_ONE)) == 0)
3041 #define ok_magic(M)      ((M)->magic == mparams.magic)
3083   (((mchunkptr)((char*)(p) + (s)))->prev_foot = ((size_t)(M) ^ mparams.magic))
3087     (chunksize(p))))->prev_foot ^ mparams.magic))
3121   if (mparams.magic == 0) {  in init_mparams()
3154     mparams.granularity = gsize;  in init_mparams()
3155     mparams.page_size = psize;  in init_mparams()
3156     mparams.mmap_threshold = DEFAULT_MMAP_THRESHOLD;  in init_mparams()
3157     mparams.trim_threshold = DEFAULT_TRIM_THRESHOLD;  in init_mparams()
3159     mparams.default_mflags = USE_LOCK_BIT|USE_MMAP_BIT;  in init_mparams()
3161     mparams.default_mflags = USE_LOCK_BIT|USE_MMAP_BIT|USE_NONCONTIGUOUS_BIT;  in init_mparams()
3166     gm->mflags = mparams.default_mflags;  in init_mparams()
3195       (*(volatile size_t *)(&(mparams.magic))) = magic;  in init_mparams()
3210     mparams.trim_threshold = val;  in change_mparam()
3213     if (val >= mparams.page_size && ((val & (val-1)) == 0)) {  in change_mparam()
3214       mparams.granularity = val;  in change_mparam()
3220     mparams.mmap_threshold = val;  in change_mparam()
3259   assert((len & (mparams.page_size-SIZE_T_ONE)) == 0);  in do_check_mmapped_chunk()
3877       (oldsize - nb) <= (mparams.granularity << 1))  in mmap_resize()
3919   m->trim_check = mparams.trim_threshold; /* reset on each update */  in init_top()
4058   if (use_mmap(m) && nb >= mparams.mmap_threshold && m->topsize != 0) {  in sys_alloc()
4194       m->magic = mparams.magic;  in sys_alloc()
4315       size_t unit = mparams.granularity;  in sys_trim()
5329   pagesz = mparams.page_size;  in dlvalloc()
5336   pagesz = mparams.page_size;  in dlpvalloc()
5444   m->magic = mparams.magic;  in init_user_mstate()
5446   m->mflags = mparams.default_mflags;  in init_user_mstate()
5462   if (capacity < (size_t) -(msize + TOP_FOOT_SIZE + mparams.page_size)) {  in create_mspace()
5463     size_t rs = ((capacity == 0)? mparams.granularity :  in create_mspace()
5482       capacity < (size_t) -(msize + TOP_FOOT_SIZE + mparams.page_size)) {  in create_mspace_with_base()