void * uma_small_alloc(uma_zone_t zone, vm_size_t bytes, u_int8_t *flags, int wait) { vm_paddr_t pa; vm_page_t m; int pflags; void *va; *flags = UMA_SLAB_PRIV; pflags = malloc2vm_flags(wait) | VM_ALLOC_WIRED; for (;;) { m = vm_page_alloc_freelist(VM_FREELIST_DIRECT, pflags); if (m == NULL) { if (wait & M_NOWAIT) return (NULL); else pmap_grow_direct_page_cache(); } else break; } pa = VM_PAGE_TO_PHYS(m); va = (void *)MIPS_PHYS_TO_DIRECT(pa); if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0) bzero(va, PAGE_SIZE); return (va); }
void * uma_small_alloc(uma_zone_t zone, int bytes, u_int8_t *flags, int wait) { vm_paddr_t pa; vm_page_t m; int pflags; void *va; *flags = UMA_SLAB_PRIV; if ((wait & (M_NOWAIT|M_USE_RESERVE)) == M_NOWAIT) pflags = VM_ALLOC_INTERRUPT; else pflags = VM_ALLOC_SYSTEM; for (;;) { m = pmap_alloc_direct_page(0, pflags); if (m == NULL) { if (wait & M_NOWAIT) return (NULL); else pmap_grow_direct_page_cache(); } else break; } pa = VM_PAGE_TO_PHYS(m); va = (void *)MIPS_PHYS_TO_DIRECT(pa); if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0) bzero(va, PAGE_SIZE); return (va); }