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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:11:24 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:11:24 +0000
commitce6a36c7f7c88e7ca0fda816f9282237bb86829d (patch)
tree611bf9beb2281d34260ca87fc189a0ddc864819a /libdde-linux26/libdde_linux26/contrib/include/asm-generic/page.h
parentbb9d6cd642f9189b8102d566c8c46a6de1d2c5f7 (diff)
parent4fbe7358c7747a9165f776eb19addbb9baf7def2 (diff)
Merge branch 'upstream-merged'
Diffstat (limited to 'libdde-linux26/libdde_linux26/contrib/include/asm-generic/page.h')
-rw-r--r--libdde-linux26/libdde_linux26/contrib/include/asm-generic/page.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/libdde-linux26/libdde_linux26/contrib/include/asm-generic/page.h b/libdde-linux26/libdde_linux26/contrib/include/asm-generic/page.h
new file mode 100644
index 00000000..14db733b
--- /dev/null
+++ b/libdde-linux26/libdde_linux26/contrib/include/asm-generic/page.h
@@ -0,0 +1,24 @@
+#ifndef _ASM_GENERIC_PAGE_H
+#define _ASM_GENERIC_PAGE_H
+
+#ifndef __ASSEMBLY__
+
+#include <linux/compiler.h>
+
+/* Pure 2^n version of get_order */
+static __inline__ __attribute_const__ int get_order(unsigned long size)
+{
+ int order;
+
+ size = (size - 1) >> (PAGE_SHIFT - 1);
+ order = -1;
+ do {
+ size >>= 1;
+ order++;
+ } while (size);
+ return order;
+}
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_GENERIC_PAGE_H */