diff options
| author | Sudip Mukherjee | 2016-03-15 14:52:52 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2016-03-15 16:55:16 -0700 |
| commit | 3701dc815117e0317f6fcf062ff8a28cd171ce44 (patch) | |
| tree | 21683f1b81d4ccc412c56df0cf2c98cc6573bb64 /arch/m32r | |
| parent | 25528213fe9f75f4e286f08d35a73ca2bb634a50 (diff) | |
m32r: mm: fix build warning
While building we are getting warnings:
arch/m32r/mm/init.c:63:17: warning: unused variable 'low'
arch/m32r/mm/init.c:62:17: warning: unused variable 'max_dma'
max_dma and low are only used if CONFIG_MMU is defined. Lets declare
the variables inside the #ifdef.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/m32r')
| -rw-r--r-- | arch/m32r/mm/init.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/arch/m32r/mm/init.c b/arch/m32r/mm/init.c index 0d4146f644dc..11fa717d93b1 100644 --- a/arch/m32r/mm/init.c +++ b/arch/m32r/mm/init.c @@ -59,21 +59,24 @@ void free_initrd_mem(unsigned long, unsigned long); void __init zone_sizes_init(void) { unsigned long zones_size[MAX_NR_ZONES] = {0, }; - unsigned long max_dma; - unsigned long low; unsigned long start_pfn; #ifdef CONFIG_MMU - start_pfn = START_PFN(0); - max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT; - low = MAX_LOW_PFN(0); - - if (low < max_dma){ - zones_size[ZONE_DMA] = low - start_pfn; - zones_size[ZONE_NORMAL] = 0; - } else { - zones_size[ZONE_DMA] = low - start_pfn; - zones_size[ZONE_NORMAL] = low - max_dma; + { + unsigned long low; + unsigned long max_dma; + + start_pfn = START_PFN(0); + max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT; + low = MAX_LOW_PFN(0); + + if (low < max_dma) { + zones_size[ZONE_DMA] = low - start_pfn; + zones_size[ZONE_NORMAL] = 0; + } else { + zones_size[ZONE_DMA] = low - start_pfn; + zones_size[ZONE_NORMAL] = low - max_dma; + } } #else zones_size[ZONE_DMA] = 0 >> PAGE_SHIFT; |