The real limit is the top of the visible physical address space with
the MMU turned off. Hence, we need to limit the crash kernel allocation
running-view physical address of the top of the boot-view physical
address space.
Reviewed-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* zImage relocating below the reserved region.
*/
#define CRASH_ALIGN (128 << 20)
-#define CRASH_ADDR_MAX (PHYS_OFFSET + (512 << 20))
static inline unsigned long long get_total_mem(void)
{
return;
if (crash_base <= 0) {
- unsigned long long crash_max = CRASH_ADDR_MAX;
- if (crash_max > (u32)~0)
- crash_max = (u32)~0;
+ unsigned long long crash_max = idmap_to_phys((u32)~0);
crash_base = memblock_find_in_range(CRASH_ALIGN, crash_max,
crash_size, CRASH_ALIGN);
if (!crash_base) {