Hi Mike
> --- a/arch/sparc/mm/hugetlbpage.c
> +++ b/arch/sparc/mm/hugetlbpage.c
> @@ -162,8 +162,14 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
> {
> pte_t orig;
>
> - if (!pte_present(*ptep) && pte_present(entry))
> - mm->context.hugetlb_pte_count++;
> + if (!pte_present(*ptep) && pte_present(entry)) {
> +#if defined(CONFIG_SHARED_MMU_CTX)
> + if (pte_val(entry) | _PAGE_SHR_CTX_4V)
> + mm->context.shared_hugetlb_pte_count++;
> + else
> +#endif
> + mm->context.hugetlb_pte_count++;
> + }
This kind of conditional code it just too ugly to survive...
Could a static inline be used to help you here?
The compiler will inline it so there should not be any run-time cost
>
> mm_rss -= saved_thp_pte_count * (HPAGE_SIZE / PAGE_SIZE);
> #endif
> @@ -544,8 +576,10 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
> * us, so we need to zero out the TSB pointer or else tsb_grow()
> * will be confused and think there is an older TSB to free up.
> */
> - for (i = 0; i < MM_NUM_TSBS; i++)
> + for (i = 0; i < MM_NUM_TSBS; i++) {
> mm->context.tsb_block[i].tsb = NULL;
> + mm->context.tsb_descr[i].tsb_base = 0UL;
> + }
This change seems un-related to the rest?
Sam
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