---

yaml --- r: 258944 b: refs/heads/master c: 6ac4752 h: refs/heads/master v: v3
git-mirror · Jul 26, 2011 · 03b91c7 · 03b91c7
1 parent d7d5e59
commit 03b91c7
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Showing 2 changed files with 1 addition and 12 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 32f84528fbb5177275193a3311be8756f0cbd62c
+refs/heads/master: 6ac47520063b230641a64062b8a229201cd0a3a8
diff --git a/trunk/mm/memory.c b/trunk/mm/memory.c
@@ -1290,13 +1290,6 @@ static unsigned long unmap_page_range(struct mmu_gather *tlb,
 	return addr;
 }
 
-#ifdef CONFIG_PREEMPT
-# define ZAP_BLOCK_SIZE	(8 * PAGE_SIZE)
-#else
-/* No preempt: go for improved straight-line efficiency */
-# define ZAP_BLOCK_SIZE	(1024 * PAGE_SIZE)
-#endif
-
 /**
  * unmap_vmas - unmap a range of memory covered by a list of vma's
  * @tlb: address of the caller's struct mmu_gather
@@ -1310,10 +1303,6 @@ static unsigned long unmap_page_range(struct mmu_gather *tlb,
  *
  * Unmap all pages in the vma list.
  *
- * We aim to not hold locks for too long (for scheduling latency reasons).
- * So zap pages in ZAP_BLOCK_SIZE bytecounts.  This means we need to
- * return the ending mmu_gather to the caller.
- *
  * Only addresses between `start' and `end' will be unmapped.
  *
  * The VMA list must be sorted in ascending virtual address order.