Re: [PATCH] powerpc/mm: Handle page table allocation failures

2019-05-14 Thread Sachin Sant
> On 14-May-2019, at 12:10 PM, Michael Ellerman wrote: > > "Aneesh Kumar K.V" writes: >> This fix the below crash that arise due to not handling page table allocation >> failures while allocating hugetlb page table. >> >> BUG: Kernel NULL pointer dereference at 0x001c >> Faulting instruc

Re: [PATCH] powerpc/mm: Handle page table allocation failures

2019-05-13 Thread Michael Ellerman
"Aneesh Kumar K.V" writes: > This fix the below crash that arise due to not handling page table allocation > failures while allocating hugetlb page table. > > BUG: Kernel NULL pointer dereference at 0x001c > Faulting instruction address: 0xc1d1e58c > Oops: Kernel access of bad area,

[PATCH] powerpc/mm: Handle page table allocation failures

2019-05-13 Thread Aneesh Kumar K.V
This fix the below crash that arise due to not handling page table allocation failures while allocating hugetlb page table. BUG: Kernel NULL pointer dereference at 0x001c Faulting instruction address: 0xc1d1e58c Oops: Kernel access of bad area, sig: 11 [#1] LE PAGE_SIZE=4K MMU=Hash