1 files changed, 7 insertions, 0 deletions

diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 7c456afaa9a5..a8119cb4fa32 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -246,9 +246,11 @@ static __inline__ void clear_dcache_dirty_cpu(struct page *page, unsigned long c
 
 void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
 {
+        struct mm_struct *mm;
         struct page *page;
         unsigned long pfn;
         unsigned long pg_flags;
+        unsigned long mm_rss;
 
         pfn = pte_pfn(pte);
         if (pfn_valid(pfn) &&
@@ -270,6 +272,11 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t p
 
                 put_cpu();
         }
+
+        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);
 }
 
 void flush_dcache_page(struct page *page)