On 08/14/2014 09:36 AM, Dave Hansen wrote: > Thanks for dredging this back up! > > On 08/14/2014 07:18 AM, Frantisek Hrbata wrote: >> +int valid_phys_addr_range(phys_addr_t addr, size_t count) >> +{ >> + return addr + count <= __pa(high_memory); >> +} > > Is this correct on 32-bit? It would limit /dev/mem to memory below 896MB. > Last I checked, /dev/mem was already broken for highmem... which is actually a problem. I would prefer to see it fixed. -hpa -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>