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SubjectRe: [PATCH RESEND] x86/process: directly use try_get_task_stack() return value in get_wchan
On Thu, Sep 30, 2021 at 06:52:29PM +0800, Jisheng Zhang wrote:
> try_get_task_stack() has already properly gets target task's stack,
> no need to call task_stack_page() again.

Please see:

https://lkml.kernel.org/r/20210929220218.691419-1-keescook@chromium.org

Whichever way around, this code doesn't live much longer.

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