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   }
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   }
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   return NULL;
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   return NULL;
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};
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};
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void* __stdcall alloc_kernel_space(size_t size); //__asm__("alloc_kernel_space");
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void* __stdcall alloc_kernel_space(size_t size)
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void * __fastcall heap_alloc(size_t size, u32_t flags)
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{
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{
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   md_t *md;
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   md_t *md;
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   size = (size+4095)&~4095;
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   size = (size+4095)&~4095;
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   md = find_small_md(size);
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   md = find_small_md(size);
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   if( md )
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   {
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     if( flags & PG_MAP )
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     {
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       count_t tmp = size >> 12;
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       addr_t  *pte = &((addr_t*)page_tabs)[md->base>>12];
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       while(tmp)
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       {
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         u32_t  order;
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         addr_t frame;
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         size_t size;
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         asm volatile ("bsr %0, %1":"=&r"(order):"r"(tmp):"cc");
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         asm volatile ("btr %0, %1" :"=r"(tmp):"r"(order):"cc");
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         frame = core_alloc(order) | flags;
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         size = (1 << order);
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         while(size--)
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         {
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           *pte++ = frame;
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           frame+= 4096;
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         };
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   DBG("alloc_kernel_space: %x size %x\n\n",md->base, size);
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       };
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     };
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     DBG("alloc_heap: %x size %x\n\n",md->base, size);
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   if( md )
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     return (void*)md->base;
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   };
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     return (void*)md->base;
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   return NULL;
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}
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//void* __stdcall kernel_alloc(size_t size)
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//{
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