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Viewing changes to include/asm-generic/getorder.h

  • Committer: Bazaar Package Importer
  • Author(s): Luke Yelavich
  • Date: 2009-08-05 23:00:52 UTC
  • Revision ID: james.westby@ubuntu.com-20090805230052-7xedvqcyk9dnnxb2
Tags: 2.6.31-1.1
New upstream release

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include/asm-generic/getorder.h
 
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#ifndef __ASM_GENERIC_GETORDER_H
 
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#define __ASM_GENERIC_GETORDER_H
 
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#ifndef __ASSEMBLY__
 
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#include <linux/compiler.h>
 
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/* Pure 2^n version of get_order */
 
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static inline __attribute_const__ int get_order(unsigned long size)
 
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{
 
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        int order;
 
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        size = (size - 1) >> (PAGE_SHIFT - 1);
 
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        order = -1;
 
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        do {
 
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                size >>= 1;
 
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                order++;
 
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        } while (size);
 
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        return order;
 
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}
 
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#endif  /* __ASSEMBLY__ */
 
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#endif  /* __ASM_GENERIC_GETORDER_H */