From: Nick Wilson <[email protected]>
Add a generic macro to kernel.h to round up to the next multiple of n.
Signed-off-by: Nick Wilson <[email protected]>
---
kernel.h | 5 +++++
1 files changed, 5 insertions(+)
Index: linux/include/linux/kernel.h
===================================================================
--- linux.orig/include/linux/kernel.h 2005-04-07 15:13:56.000000000 -0700
+++ linux/include/linux/kernel.h 2005-04-07 15:47:15.000000000 -0700
@@ -246,6 +246,11 @@ extern void dump_stack(void);
#define max_t(type,x,y) \
({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
+/*
+ * Round x up to the next multiple of n.
+ * n must be a power of 2.
+ */
+#define round_up_pow2(x,n) (((x) + (n) - 1) & ~((n) - 1))
/**
* container_of - cast a member of a structure out to the containing structure
_
-
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