uml: remove user_util.h

[mirror_ubuntu-kernels.git] / arch / um / kernel / tt / tlb.c

diff --git a/arch/um/kernel/tt/tlb.c b/arch/um/kernel/tt/tlb.c
index f1d85dbb45b9827d50f325d0d9560d4f3d4a09db..7caa24fe05dfaf376b8cbf77a22cf1acdac10ce5 100644 (file)
--- a/arch/um/kernel/tt/tlb.c
+++ b/arch/um/kernel/tt/tlb.c
@@ -12,7 +12,6 @@
 #include "asm/pgtable.h"
 #include "asm/uaccess.h"
 #include "asm/tlbflush.h"
-#include "user_util.h"
 #include "mem_user.h"
 #include "os.h"
 #include "tlb.h"
@@ -74,42 +73,6 @@ void flush_tlb_kernel_range_tt(unsigned long start, unsigned long end)
                 atomic_inc(&vmchange_seq);
 }
 
-static void protect_vm_page(unsigned long addr, int w, int must_succeed)
-{
-       int err;
-
-       err = protect_memory(addr, PAGE_SIZE, 1, w, 1, must_succeed);
-       if(err == 0) return;
-       else if((err == -EFAULT) || (err == -ENOMEM)){
-               flush_tlb_kernel_range(addr, addr + PAGE_SIZE);
-               protect_vm_page(addr, w, 1);
-       }
-       else panic("protect_vm_page : protect failed, errno = %d\n", err);
-}
-
-void mprotect_kernel_vm(int w)
-{
-       struct mm_struct *mm;
-       pgd_t *pgd;
-       pud_t *pud;
-       pmd_t *pmd;
-       pte_t *pte;
-       unsigned long addr;
-       
-       mm = &init_mm;
-       for(addr = start_vm; addr < end_vm;){
-               pgd = pgd_offset(mm, addr);
-               pud = pud_offset(pgd, addr);
-               pmd = pmd_offset(pud, addr);
-               if(pmd_present(*pmd)){
-                       pte = pte_offset_kernel(pmd, addr);
-                       if(pte_present(*pte)) protect_vm_page(addr, w, 0);
-                       addr += PAGE_SIZE;
-               }
-               else addr += PMD_SIZE;
-       }
-}
-
 void flush_tlb_kernel_vm_tt(void)
 {
         flush_tlb_kernel_range(start_vm, end_vm);