diff options
| author | Richard Henderson <rth@twiddle.net> | 2007-05-29 16:01:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-30 10:07:54 -0700 |
| commit | 74fd1b687fbeba566ceb59cc1fdbc7a64c5e0c0b (patch) | |
| tree | efc6ffd2080ec94bef934758f40c220d710adf28 /arch/alpha/kernel/pci_iommu.c | |
| parent | f54496f55a729078e9eef90bf9e0783857a27db1 (diff) | |
| download | lwn-74fd1b687fbeba566ceb59cc1fdbc7a64c5e0c0b.tar.gz lwn-74fd1b687fbeba566ceb59cc1fdbc7a64c5e0c0b.zip | |
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.c | 3 |
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; } |