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is_power_of_2-sparc/mm/srmmu.c

PATCH New vignesh babu 1 participant 1 message Jun 7, 2007

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PATCH 1/1 is_power_of_2-sparc/mm/srmmu.c

Replacing (n & (n-1)) in the context of power of 2 checks with is_power_of_2

---

arch/sparc/mm/srmmu.c +0 -0
index e5eaa80..741d303 100644
@@ -19,6 +19,7 @@

#include <linux/fs.h>
#include <linux/seq_file.h>
#include <linux/kdebug.h>
+#include <linux/log2.h>

#include <asm/bitext.h>
#include <asm/page.h>
@@ -354,7 +355,7 @@ void srmmu_free_nocache(unsigned long vaddr, int size)

    vaddr, srmmu_nocache_end);

BUG();
}
- if (size & (size-1)) {
+ if (!is_power_of_2(size)) {
printk("Size 0x%x is not a power of 2\n", size);
BUG();
}

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Vignesh Babu BM 
_____________________________________________________________ 
"Why is it that every time I'm with you, makes me believe in magic?"

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