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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2012-02-19 06:14:24 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2012-02-19 06:14:24 +0000
commit6fafeb146e9efd59140ea58cebd7dd38ae9a6379 (patch)
tree7db89ba6a28932514b105d620bba4884ec332ec3 /libdde_linux26/contrib/include/asm-generic/page.h
parent38c2c2458e3f4ecb329ff35621806252aac209b9 (diff)
parent8df772b3c665e663f6f9d2a70f9c691590bd3f91 (diff)
Merge branch 'dde' into upstream-merged
Diffstat (limited to 'libdde_linux26/contrib/include/asm-generic/page.h')
-rw-r--r--libdde_linux26/contrib/include/asm-generic/page.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/asm-generic/page.h b/libdde_linux26/contrib/include/asm-generic/page.h
new file mode 100644
index 00000000..14db733b
--- /dev/null
+++ b/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 */