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    powerpc: subpage_protect: Increase the array size to take care of 64TB · dad6f37c
    Aneesh Kumar K.V 提交于
    We now support TASK_SIZE of 16TB, hence the array should be 8.
    
    Fixes the below crash:
    
    Unable to handle kernel paging request for data at address 0x000100bd
    Faulting instruction address: 0xc00000000004f914
    cpu 0x13: Vector: 300 (Data Access) at [c000000fea75fa90]
        pc: c00000000004f914: .sys_subpage_prot+0x2d4/0x5c0
        lr: c00000000004fb5c: .sys_subpage_prot+0x51c/0x5c0
        sp: c000000fea75fd10
       msr: 9000000000009032
       dar: 100bd
     dsisr: 40000000
      current = 0xc000000fea6ae490
      paca    = 0xc00000000fb8ab00   softe: 0        irq_happened: 0x00
        pid   = 8237, comm = a.out
    enter ? for help
    [c000000fea75fe30] c00000000000a164 syscall_exit+0x0/0x98
    Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
    dad6f37c
mmu-hash64.h 19.8 KB