---

yaml --- r: 8603 b: refs/heads/master c: 2b4a081 h: refs/heads/master i: 8601: 967c029 8599: b6a9bc4 v: v3
git-mirror · Sep 12, 2005 · 3306a10 · 3306a10
1 parent 8c414e1
commit 3306a10
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Showing 3 changed files with 10 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 165aeb82848c81ee1774f8defc74df4341e9184b
+refs/heads/master: 2b4a08150e0ce2f6eb5d0987fdfe3524ec799313
diff --git a/trunk/include/asm-generic/tlb.h b/trunk/include/asm-generic/tlb.h
@@ -23,7 +23,11 @@
  * and page free order so much..
  */
 #ifdef CONFIG_SMP
-  #define FREE_PTE_NR	506
+  #ifdef ARCH_FREE_PTR_NR
+    #define FREE_PTR_NR   ARCH_FREE_PTR_NR
+  #else
+    #define FREE_PTE_NR	506
+  #endif
   #define tlb_fast_mode(tlb) ((tlb)->nr == ~0U)
 #else
   #define FREE_PTE_NR	1

diff --git a/trunk/include/asm-x86_64/tlbflush.h b/trunk/include/asm-x86_64/tlbflush.h
@@ -109,6 +109,10 @@ static inline void flush_tlb_range(struct vm_area_struct * vma, unsigned long st
 #define TLBSTATE_OK	1
 #define TLBSTATE_LAZY	2
 
+/* Roughly an IPI every 20MB with 4k pages for freeing page table
+   ranges. Cost is about 42k of memory for each CPU. */
+#define ARCH_FREE_PTE_NR 5350	
+
 #endif
 
 #define flush_tlb_kernel_range(start, end) flush_tlb_all()