x86/events/intel/ds: Fix bts_interrupt_threshold alignment

[linux.git] / mm / mmap.c

diff --git a/mm/mmap.c b/mm/mmap.c
index d1eb87ef4b1afa101fde9da06d2991644ca49dda..5801b5f0a634b5561db5e70c347a93fd3a1ad59f 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -186,8 +186,8 @@ static struct vm_area_struct *remove_vma(struct vm_area_struct *vma)
        return next;
 }
 
-static int do_brk(unsigned long addr, unsigned long len, struct list_head *uf);
-
+static int do_brk_flags(unsigned long addr, unsigned long request, unsigned long flags,
+               struct list_head *uf);
 SYSCALL_DEFINE1(brk, unsigned long, brk)
 {
        unsigned long retval;
@@ -245,7 +245,7 @@ SYSCALL_DEFINE1(brk, unsigned long, brk)
                goto out;
 
        /* Ok, looks good - let it rip. */
-       if (do_brk(oldbrk, newbrk-oldbrk, &uf) < 0)
+       if (do_brk_flags(oldbrk, newbrk-oldbrk, 0, &uf) < 0)
                goto out;
 
 set_brk:
@@ -2929,21 +2929,14 @@ static inline void verify_mm_writelocked(struct mm_struct *mm)
  *  anonymous maps.  eventually we may be able to do some
  *  brk-specific accounting here.
  */
-static int do_brk_flags(unsigned long addr, unsigned long request, unsigned long flags, struct list_head *uf)
+static int do_brk_flags(unsigned long addr, unsigned long len, unsigned long flags, struct list_head *uf)
 {
        struct mm_struct *mm = current->mm;
        struct vm_area_struct *vma, *prev;
-       unsigned long len;
        struct rb_node **rb_link, *rb_parent;
        pgoff_t pgoff = addr >> PAGE_SHIFT;
        int error;
 
-       len = PAGE_ALIGN(request);
-       if (len < request)
-               return -ENOMEM;
-       if (!len)
-               return 0;
-
        /* Until we need other flags, refuse anything except VM_EXEC. */
        if ((flags & (~VM_EXEC)) != 0)
                return -EINVAL;
@@ -3015,18 +3008,20 @@ static int do_brk_flags(unsigned long addr, unsigned long request, unsigned long
        return 0;
 }
 
-static int do_brk(unsigned long addr, unsigned long len, struct list_head *uf)
-{
-       return do_brk_flags(addr, len, 0, uf);
-}
-
-int vm_brk_flags(unsigned long addr, unsigned long len, unsigned long flags)
+int vm_brk_flags(unsigned long addr, unsigned long request, unsigned long flags)
 {
        struct mm_struct *mm = current->mm;
+       unsigned long len;
        int ret;
        bool populate;
        LIST_HEAD(uf);
 
+       len = PAGE_ALIGN(request);
+       if (len < request)
+               return -ENOMEM;
+       if (!len)
+               return 0;
+
        if (down_write_killable(&mm->mmap_sem))
                return -EINTR;