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authorRichard Henderson <rth@twiddle.net>2007-05-29 16:01:35 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-30 10:07:54 -0700
commit74fd1b687fbeba566ceb59cc1fdbc7a64c5e0c0b (patch)
treeefc6ffd2080ec94bef934758f40c220d710adf28 /arch/alpha/kernel/pci_iommu.c
parentf54496f55a729078e9eef90bf9e0783857a27db1 (diff)
downloadlinux-74fd1b687fbeba566ceb59cc1fdbc7a64c5e0c0b.tar.gz
alpha: cleanup in bitops.h
Remove 2 functions private to the alpha implemetation,
in favor of similar functions in <linux/log2.h>.

Provide a more efficient version of the fls64 function
for pre-ev67 alphas.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/alpha/kernel/pci_iommu.c')
-rw-r--r--arch/alpha/kernel/pci_iommu.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 6e7d1fe6e935..28c84e55feb9 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -7,6 +7,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/bootmem.h>
+#include <linux/log2.h>
 
 #include <asm/io.h>
 #include <asm/hwrpb.h>
@@ -53,7 +54,7 @@ size_for_memory(unsigned long max)
 {
 	unsigned long mem = max_low_pfn << PAGE_SHIFT;
 	if (mem < max)
-		max = 1UL << ceil_log2(mem);
+		max = roundup_pow_of_two(mem);
 	return max;
 }