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SubjectRe: [PATCH] mm: mempolicy: use VM_BUG_ON_VMA in queue_pages_test_walk()

On 1/27/20 10:17 AM, Qian Cai wrote:
>> On Jan 15, 2020, at 1:09 AM, Yang Shi <> wrote:
>> The VM_BUG_ON() is already used by queue_pages_test_walk(), it sounds
>> better to dump more debug information by using VM_BUG_ON_VMA() to help
>> debugging.
> What’s the problem this is trying to resolve? Was there an existing bug would trigger this?

Dumping more information to help debugging. I don't run into related bug

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