1 files changed, 1 insertions, 27 deletions

diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 5176526ddd59..dd8dda167a24 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -158,32 +158,6 @@ void flush_tlb_current_task(void)
         preempt_enable();
 }
 
-/*
- * It can find out the THP large page, or
- * HUGETLB page in tlb_flush when THP disabled
- */
-static inline unsigned long has_large_page(struct mm_struct *mm,
-                                 unsigned long start, unsigned long end)
-{
-        pgd_t *pgd;
-        pud_t *pud;
-        pmd_t *pmd;
-        unsigned long addr = ALIGN(start, HPAGE_SIZE);
-        for (; addr < end; addr += HPAGE_SIZE) {
-                pgd = pgd_offset(mm, addr);
-                if (likely(!pgd_none(*pgd))) {
-                        pud = pud_offset(pgd, addr);
-                        if (likely(!pud_none(*pud))) {
-                                pmd = pmd_offset(pud, addr);
-                                if (likely(!pmd_none(*pmd)))
-                                        if (pmd_large(*pmd))
-                                                return addr;
-                        }
-                }
-        }
-        return 0;
-}
-
 void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,
                                 unsigned long end, unsigned long vmflag)
 {
@@ -218,7 +192,7 @@ void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,
         nr_base_pages = (end - start) >> PAGE_SHIFT;
 
         /* tlb_flushall_shift is on balance point, details in commit log */
-        if (nr_base_pages > act_entries || has_large_page(mm, start, end)) {
+        if (nr_base_pages > act_entries) {
                 count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL);
                 local_flush_tlb();
         } else {