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yaml --- r: 31191 b: refs/heads/master c: 1729dc7 h: refs/heads/master i: 31189: 5459176 31187: 5126b5d 31183: 06dbcd1 v: v3
git-mirror · Jun 29, 2006 · fa09d64 · fa09d64
1 parent e63173b
commit fa09d64
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 489244498ec99c949ecbd7105299066cff283dcd
+refs/heads/master: 1729dc7833014eaba3520091a673dbdc9242d9f9
diff --git a/trunk/include/asm-powerpc/mmu_context.h b/trunk/include/asm-powerpc/mmu_context.h
@@ -25,8 +25,13 @@ static inline void enter_lazy_tlb(struct mm_struct *mm,
 {
 }
 
+/*
+ * The proto-VSID space has 2^35 - 1 segments available for user mappings.
+ * Each segment contains 2^28 bytes.  Each context maps 2^44 bytes,
+ * so we can support 2^19-1 contexts (19 == 35 + 28 - 44).
+ */
 #define NO_CONTEXT	0
-#define MAX_CONTEXT	(0x100000-1)
+#define MAX_CONTEXT	((1UL << 19) - 1)
 
 extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
 extern void destroy_context(struct mm_struct *mm);