parisc: rename parisc's vmalloc_start to parisc_vmalloc_start

building kernel 2.6.32(pre), gives this compiler warning:
/linus-linux-2.6/mm/vmalloc.c: In function 'pcpu_get_vm_areas':
/linus-linux-2.6/mm/vmalloc.c:2104: warning: 'vmalloc_start' is used
uninitialized in this function

The reason is, that the code in mm/vmalloc defines a local variable called
vmalloc_start, which is already defined as global variable in parisc's code.

To avoid this kind of problems in future, I suggest to rename the parisc
variable
to parisc_vmalloc_start.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>

diff --git a/arch/parisc/include/asm/fixmap.h b/arch/parisc/include/asm/fixmap.h
index de3fe3a..6fec4d4 100644 (file)
--- a/arch/parisc/include/asm/fixmap.h
+++ b/arch/parisc/include/asm/fixmap.h
@@ -21,9 +21,9 @@
 #define KERNEL_MAP_END         (TMPALIAS_MAP_START)
 
 #ifndef __ASSEMBLY__
-extern void *vmalloc_start;
+extern void *parisc_vmalloc_start;
 #define PCXL_DMA_MAP_SIZE      (8*1024*1024)
-#define VMALLOC_START          ((unsigned long)vmalloc_start)
+#define VMALLOC_START          ((unsigned long)parisc_vmalloc_start)
 #define VMALLOC_END            (KERNEL_MAP_END)
 #endif /*__ASSEMBLY__*/
 

diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index d5aca31..13b6e3e 100644 (file)
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -434,8 +434,8 @@ void mark_rodata_ro(void)
 #define SET_MAP_OFFSET(x) ((void *)(((unsigned long)(x) + VM_MAP_OFFSET) \
                                     & ~(VM_MAP_OFFSET-1)))
 
-void *vmalloc_start __read_mostly;
-EXPORT_SYMBOL(vmalloc_start);
+void *parisc_vmalloc_start __read_mostly;
+EXPORT_SYMBOL(parisc_vmalloc_start);
 
 #ifdef CONFIG_PA11
 unsigned long pcxl_dma_start __read_mostly;
@@ -496,13 +496,14 @@ void __init mem_init(void)
 #ifdef CONFIG_PA11
        if (hppa_dma_ops == &pcxl_dma_ops) {
                pcxl_dma_start = (unsigned long)SET_MAP_OFFSET(MAP_START);
-               vmalloc_start = SET_MAP_OFFSET(pcxl_dma_start + PCXL_DMA_MAP_SIZE);
+               parisc_vmalloc_start = SET_MAP_OFFSET(pcxl_dma_start
+                                               + PCXL_DMA_MAP_SIZE);
        } else {
                pcxl_dma_start = 0;
-               vmalloc_start = SET_MAP_OFFSET(MAP_START);
+               parisc_vmalloc_start = SET_MAP_OFFSET(MAP_START);
        }
 #else
-       vmalloc_start = SET_MAP_OFFSET(MAP_START);
+       parisc_vmalloc_start = SET_MAP_OFFSET(MAP_START);
 #endif
 
        printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init)\n",