Luke Yang <[email protected]> wrote:
>
> Hi all,
>
> During porting Blackfin architecture to latest kernel, I found two issues:
>
> 1. kernel/futex.c invokes handle_mm_fault() function, which calls
> __handle_mm_fault(). But __handle_mm_fault() is defined in
> mm/memory.c, which is only compiled when CONFIG_MMU is defined. So
> those without MMUs can not use futex any more.
>
> How do you think this shall be fixed? Use #ifdef CONFIG_MMU ... #endif?
See frv-make-futex-code-compilable-on-nommu.patch from recent -mm kernels.
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