Lines Matching defs:lowmem
11 unsigned int lowmem, ebda_addr;
23 lowmem = *(unsigned short *)__va(BIOS_LOWMEM_KILOBYTES);
24 lowmem <<= 10;
30 /* of conventional memory, but does not adjust lowmem. */
31 if ((lowmem - ebda_addr) <= 0x10000)
32 lowmem = ebda_addr;
36 if ((ebda_addr == 0) && (lowmem >= 0x9f000))
37 lowmem = 0x9f000;
40 if ((lowmem == 0) || (lowmem >= 0x100000))
41 lowmem = 0x9f000;
43 /* reserve all memory between lowmem and the 1MB mark */
44 reserve_early_overlap_ok(lowmem, 0x100000, "BIOS reserved");