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[Xen-devel] [PATCH v3 03/28] tools/libxl: Introduce ROUNDUP()



This is the same as is used by libxc.

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Acked-by: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
CC: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 tools/libxl/libxl_internal.h |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index 5235d25..19fc425 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -110,6 +110,9 @@
 
 #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
 
+#define ROUNDUP(_val, _order)                                           \
+    (((unsigned long)(_val)+(1UL<<(_order))-1) & ~((1UL<<(_order))-1))
+
 #define min(X, Y) ({                             \
             const typeof (X) _x = (X);           \
             const typeof (Y) _y = (Y);           \
-- 
1.7.10.4


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