[PATCH] i386/x86-64: make setup_early_printk() usage consistent

[linux-2.6-omap-h63xx.git] / arch / x86_64 / kernel / sys_x86_64.c

diff --git a/arch/x86_64/kernel/sys_x86_64.c b/arch/x86_64/kernel/sys_x86_64.c
index dbebd5ccba6b067531c0f7425d2bd17ef08c2bfd..6449ea8fe756475b7316bdaa51ddd16e3c2c6dd9 100644 (file)
--- a/arch/x86_64/kernel/sys_x86_64.c
+++ b/arch/x86_64/kernel/sys_x86_64.c
@@ -68,13 +68,7 @@ out:
 static void find_start_end(unsigned long flags, unsigned long *begin,
                           unsigned long *end)
 {
-#ifdef CONFIG_IA32_EMULATION
-       if (test_thread_flag(TIF_IA32)) { 
-               *begin = TASK_UNMAPPED_32;
-               *end = IA32_PAGE_OFFSET; 
-       } else 
-#endif
-       if (flags & MAP_32BIT) { 
+       if (!test_thread_flag(TIF_IA32) && (flags & MAP_32BIT)) {
                /* This is usually used needed to map code in small
                   model, so it needs to be in the first 31bit. Limit
                   it to that.  This means we need to move the
@@ -84,10 +78,10 @@ static void find_start_end(unsigned long flags, unsigned long *begin,
                   of playground for now. -AK */ 
                *begin = 0x40000000; 
                *end = 0x80000000;              
-       } else { 
-               *begin = TASK_UNMAPPED_64; 
+       } else {
+               *begin = TASK_UNMAPPED_BASE;
                *end = TASK_SIZE; 
-               }
+       }
 } 
 
 unsigned long
@@ -111,6 +105,11 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
                    (!vma || addr + len <= vma->vm_start))
                        return addr;
        }
+       if (((flags & MAP_32BIT) || test_thread_flag(TIF_IA32))
+           && len <= mm->cached_hole_size) {
+               mm->cached_hole_size = 0;
+               mm->free_area_cache = begin;
+       }
        addr = mm->free_area_cache;
        if (addr < begin) 
                addr = begin; 
@@ -126,6 +125,7 @@ full_search:
                         */
                        if (start_addr != begin) {
                                start_addr = addr = begin;
+                               mm->cached_hole_size = 0;
                                goto full_search;
                        }
                        return -ENOMEM;
@@ -137,6 +137,9 @@ full_search:
                        mm->free_area_cache = addr + len;
                        return addr;
                }
+               if (addr + mm->cached_hole_size < vma->vm_start)
+                       mm->cached_hole_size = vma->vm_start - addr;
+
                addr = vma->vm_end;
        }
 }
@@ -151,17 +154,3 @@ asmlinkage long sys_uname(struct new_utsname __user * name)
                err |= copy_to_user(&name->machine, "i686", 5);                 
        return err ? -EFAULT : 0;
 }
-
-asmlinkage long sys_time64(long __user * tloc)
-{
-       struct timeval now; 
-       int i; 
-
-       do_gettimeofday(&now);
-       i = now.tv_sec;
-       if (tloc) {
-               if (put_user(i,tloc))
-                       i = -EFAULT;
-       }
-       return i;
-}