On Thu, 27 Aug 2015 14:33:11 +0530 Vineet Gupta <vineet.gup...@synopsys.com>
wrote:
> This is purely cosmetic, just makes code more readable
>
> ...
>
> --- a/include/asm-generic/pgtable.h
> +++ b/include/asm-generic/pgtable.h
> @@ -30,9 +30,20 @@ extern int ptep_set_access_flags(struct vm_area_struct
> *vma,
> #endif
>
> #ifndef __HAVE_ARCH_PMDP_SET_ACCESS_FLAGS
> +#ifdef CONFIG_TRANSPARENT_HUGEPAGE
> extern int pmdp_set_access_flags(struct vm_area_struct *vma,
> unsigned long address, pmd_t *pmdp,
> pmd_t entry, int dirty);
> +#else /* CONFIG_TRANSPARENT_HUGEPAGE */
> +static inline int pmdp_set_access_flags(struct vm_area_struct *vma,
> + unsigned long address, pmd_t *pmdp,
> + pmd_t entry, int dirty)
> +{
> + BUG();
> + return 0;
> +}
Is it possible to simply leave this undefined? So the kernel fails at
link time?
> --- a/mm/pgtable-generic.c
> +++ b/mm/pgtable-generic.c
Good heavens that file is a mess. Your patch does improve it.
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