Re: [PATCH] CMA: page_isolation: check buddy before access it

2015-05-04 Thread Hui Zhu
On Tue, May 5, 2015 at 2:34 AM, Laura Abbott wrote: > On 05/04/2015 02:41 AM, Hui Zhu wrote: >> >> I got a issue: >> [ 214.294917] Unable to handle kernel NULL pointer dereference at virtual >> address 082a >> [ 214.303013] pgd = cc97 >> [ 214.305721] [082a] *pgd= >> [

Re: [PATCH] CMA: page_isolation: check buddy before access it

2015-05-04 Thread Laura Abbott
On 05/04/2015 02:41 AM, Hui Zhu wrote: I got a issue: [ 214.294917] Unable to handle kernel NULL pointer dereference at virtual address 082a [ 214.303013] pgd = cc97 [ 214.305721] [082a] *pgd= [ 214.309316] Internal error: Oops: 5 [#1] PREEMPT SMP ARM [ 214.335704] PC

[PATCH] CMA: page_isolation: check buddy before access it

2015-05-04 Thread Hui Zhu
I got a issue: [ 214.294917] Unable to handle kernel NULL pointer dereference at virtual address 082a [ 214.303013] pgd = cc97 [ 214.305721] [082a] *pgd= [ 214.309316] Internal error: Oops: 5 [#1] PREEMPT SMP ARM [ 214.335704] PC is at get_pageblock_flags_group+0x5c/0xb0

[PATCH] CMA: page_isolation: check buddy before access it

2015-05-04 Thread Hui Zhu
I got a issue: [ 214.294917] Unable to handle kernel NULL pointer dereference at virtual address 082a [ 214.303013] pgd = cc97 [ 214.305721] [082a] *pgd= [ 214.309316] Internal error: Oops: 5 [#1] PREEMPT SMP ARM [ 214.335704] PC is at get_pageblock_flags_group+0x5c/0xb0

Re: [PATCH] CMA: page_isolation: check buddy before access it

2015-05-04 Thread Laura Abbott
On 05/04/2015 02:41 AM, Hui Zhu wrote: I got a issue: [ 214.294917] Unable to handle kernel NULL pointer dereference at virtual address 082a [ 214.303013] pgd = cc97 [ 214.305721] [082a] *pgd= [ 214.309316] Internal error: Oops: 5 [#1] PREEMPT SMP ARM [ 214.335704] PC

Re: [PATCH] CMA: page_isolation: check buddy before access it

2015-05-04 Thread Hui Zhu
On Tue, May 5, 2015 at 2:34 AM, Laura Abbott labb...@redhat.com wrote: On 05/04/2015 02:41 AM, Hui Zhu wrote: I got a issue: [ 214.294917] Unable to handle kernel NULL pointer dereference at virtual address 082a [ 214.303013] pgd = cc97 [ 214.305721] [082a] *pgd= [