diff options
Diffstat (limited to 'arch/sparc64')
| -rw-r--r-- | arch/sparc64/mm/init.c | 5 | ||||
| -rw-r--r-- | arch/sparc64/mm/tsb.c | 11 |
2 files changed, 1 insertions, 15 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 4893f3e2c33..1af63307b24 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -261,7 +261,6 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t p struct page *page; unsigned long pfn; unsigned long pg_flags; - unsigned long mm_rss; pfn = pte_pfn(pte); if (pfn_valid(pfn) && @@ -285,10 +284,6 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t p } mm = vma->vm_mm; - mm_rss = get_mm_rss(mm); - if (mm_rss >= mm->context.tsb_rss_limit) - tsb_grow(mm, mm_rss, GFP_ATOMIC); - if ((pte_val(pte) & _PAGE_ALL_SZ_BITS) == _PAGE_SZBITS) { struct tsb *tsb; unsigned long tag; diff --git a/arch/sparc64/mm/tsb.c b/arch/sparc64/mm/tsb.c index 787533f0104..2cc8e6528c6 100644 --- a/arch/sparc64/mm/tsb.c +++ b/arch/sparc64/mm/tsb.c @@ -310,7 +310,6 @@ void tsb_grow(struct mm_struct *mm, unsigned long rss, gfp_t gfp_flags) int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { - unsigned long initial_rss; mm->context.sparc64_ctx_val = 0UL; @@ -319,15 +318,7 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) * will be confused and think there is an older TSB to free up. */ mm->context.tsb = NULL; - - /* If this is fork, inherit the parent's TSB size. We would - * grow it to that size on the first page fault anyways. - */ - initial_rss = mm->context.tsb_nentries; - if (initial_rss) - initial_rss -= 1; - - tsb_grow(mm, initial_rss, GFP_KERNEL); + tsb_grow(mm, 0, GFP_KERNEL); if (unlikely(!mm->context.tsb)) return -ENOMEM; |