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Adjust VM_MAX_KERNEL_ADDRESS to the max address, not the minimum next.

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VM_MAX_KERNEL_ADDERESS is the maximum KVA address.  0xf8000000 is the start of
device mapping space.  Since several conditional checks use '<=' against
VM_MAX_KERNEL_ADDRESS, bad things could feasibly happen.
This commit is contained in:
jhibbits 2016-01-14 23:22:43 +00:00
parent 6185680860
commit 95c357cb5b
1 changed files with 2 additions and 2 deletions
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4
sys/powerpc/include/vmparam.h
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@ -111,7 +111,7 @@
#define KERNBASE 0xc0000000 /* start of kernel virtual */
#define VM_MIN_KERNEL_ADDRESS KERNBASE
#define VM_MAX_KERNEL_ADDRESS 0xf8000000
#define VM_MAX_KERNEL_ADDRESS 0xf7ffffff
#define VM_MAX_SAFE_KERNEL_ADDRESS VM_MAX_KERNEL_ADDRESS
#endif /* AIM/E500 */
@ -129,7 +129,7 @@ struct pmap_physseg {
* The physical address space is densely populated on 32-bit systems,
* but may not be on 64-bit ones.
*/
#ifdef __powerpc64__
#ifdef __powerpc__
#define VM_PHYSSEG_SPARSE
#else
#define VM_PHYSSEG_DENSE