[PATCH] MM: use DIV_ROUND_UP() in mm/memory.c

Replace a hand coded version of DIV_ROUND_UP().

Signed-off-by: Rolf Eike Beer <[email protected]

---
commit ab35916f807eb4f2019a208e96cb0bddbb91dfc3
tree 6dc4485902c1a96a09ed287270de108630b26719
parent 335aa0289219ca2c1dc309d6bf856d4b25ad8746
author Rolf Eike Beer <[email protected]> Thu, 17 May 2007 23:03:06 +0200
committer Rolf Eike Beer <[email protected]> Thu, 17 May 2007 23:03:06 +0200

 mm/memory.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index cb94488..5bc26b7 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2674,7 +2674,7 @@ int make_pages_present(unsigned long addr, unsigned long end)
 	write = (vma->vm_flags & VM_WRITE) != 0;
 	BUG_ON(addr >= end);
 	BUG_ON(end > vma->vm_end);
-	len = (end+PAGE_SIZE-1)/PAGE_SIZE-addr/PAGE_SIZE;
+	len = DIV_ROUND_UP(end, PAGE_SIZE) - addr/PAGE_SIZE;
 	ret = get_user_pages(current, current->mm, addr,
 			len, write, 0, NULL, NULL);
 	if (ret < 0)
-
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---

• References:
  • [PATCH] MM: use DIV_ROUND_UP() in mm/memory.c
    • From: Rolf Eike Beer <[email protected]>
  • Re: [PATCH] MM: use DIV_ROUND_UP() in mm/memory.c
    • From: Andrew Morton <[email protected]>

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