g_linkpage = (void *)(((u32)map_bottom - LINKPAGE_ALLOC) & ~0xfff);
pret = mmap(g_linkpage, LINKPAGE_ALLOC, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED, -1, 0);
g_linkpage = (void *)(((u32)map_bottom - LINKPAGE_ALLOC) & ~0xfff);
pret = mmap(g_linkpage, LINKPAGE_ALLOC, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED, -1, 0);