Re: linux-next: build failure after merge of the final tree (akpmtree related)

From: Andrew Morton
Date: Wed Nov 14 2012 - 18:09:11 EST


On Wed, 14 Nov 2012 17:30:59 -0500 (EST)
David Miller <davem@xxxxxxxxxxxxx> wrote:

> From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Date: Wed, 14 Nov 2012 14:18:47 -0800
>
> > s/colour/color/
>
> The whole file uses the COLOUR spelling in it's macros, for
> consistency I see no reason not to use the same spelling
> for local variables.
>
> Else, fix the whole file instead of leaving an inconsistent
> mess around.

Sure, but which way do you want it?

Current mainline:

akpm:/usr/src/linux-3.7-rc5> grep -i colour arch/sparc/kernel/*.c arch/sparc/mm/*.c
arch/sparc/kernel/sys_sparc_32.c:#define COLOUR_ALIGN(addr) (((addr)+SHMLBA-1)&~(SHMLBA-1))
arch/sparc/kernel/sys_sparc_32.c: addr = COLOUR_ALIGN(addr);
arch/sparc/kernel/sys_sparc_32.c: addr = COLOUR_ALIGN(addr);
arch/sparc/kernel/sys_sparc_64.c:static inline unsigned long COLOUR_ALIGN(unsigned long addr,
arch/sparc/kernel/sys_sparc_64.c:static inline unsigned long COLOUR_ALIGN_DOWN(unsigned long addr,
arch/sparc/kernel/sys_sparc_64.c: addr = COLOUR_ALIGN(addr, pgoff);
arch/sparc/kernel/sys_sparc_64.c: addr = COLOUR_ALIGN(addr, pgoff);
arch/sparc/kernel/sys_sparc_64.c: addr = COLOUR_ALIGN(addr, pgoff);
arch/sparc/kernel/sys_sparc_64.c: addr = COLOUR_ALIGN(addr, pgoff);
arch/sparc/kernel/sys_sparc_64.c: unsigned long base = COLOUR_ALIGN_DOWN(addr-len, pgoff);
arch/sparc/kernel/sys_sparc_64.c: addr = COLOUR_ALIGN_DOWN(addr, pgoff);
arch/sparc/kernel/sys_sparc_64.c: addr = COLOUR_ALIGN_DOWN(addr, pgoff);


arch/sparc/kernel/sys_sparc_64.c: * 1) For file backed MAP_SHARED mmap()'s we D-cache color align,
arch/sparc/kernel/sys_sparc_64.c: int do_color_align;
arch/sparc/kernel/sys_sparc_64.c: do_color_align = 0;
arch/sparc/kernel/sys_sparc_64.c: do_color_align = 1;
arch/sparc/kernel/sys_sparc_64.c: if (do_color_align)
arch/sparc/kernel/sys_sparc_64.c: if (do_color_align)
arch/sparc/kernel/sys_sparc_64.c: if (do_color_align)
arch/sparc/kernel/sys_sparc_64.c: int do_color_align;
arch/sparc/kernel/sys_sparc_64.c: do_color_align = 0;
arch/sparc/kernel/sys_sparc_64.c: do_color_align = 1;
arch/sparc/kernel/sys_sparc_64.c: if (do_color_align)
arch/sparc/kernel/sys_sparc_64.c: if (do_color_align) {
arch/sparc/kernel/sys_sparc_64.c: if (do_color_align)
arch/sparc/kernel/sys_sparc_64.c: if (do_color_align)
arch/sparc/mm/hugetlbpage.c: * definition we don't have to worry about any page coloring stuff
arch/sparc/mm/iommu.c: /* To be coherent on HyperSparc, the page color of DVMA
arch/sparc/mm/iommu.c: iommu->usemap.num_colors = vac_cache_size >> PAGE_SHIFT;
arch/sparc/mm/iommu.c: iommu->usemap.num_colors = 1;
arch/sparc/mm/iommu.c: /* page color = pfn of page */
arch/sparc/mm/iommu.c: /* page color = physical address */


I suspect that most people expect "color". And given that this
patchset removes COLOUR_ALIGN_DOWN (and should have removed
arch/sparc/kernel/sys_sparc_32.c:COLOR_ALIGN), we end up with

--- a/arch/sparc/kernel/sys_sparc_64.c~a
+++ a/arch/sparc/kernel/sys_sparc_64.c
@@ -75,7 +75,7 @@ static inline int invalid_64bit_range(un
* the spitfire/niagara VA-hole.
*/

-static inline unsigned long COLOUR_ALIGN(unsigned long addr,
+static inline unsigned long COLOR_ALIGN(unsigned long addr,
unsigned long pgoff)
{
unsigned long base = (addr+SHMLBA-1)&~(SHMLBA-1);
@@ -113,7 +113,7 @@ unsigned long arch_get_unmapped_area(str

if (addr) {
if (do_color_align)
- addr = COLOUR_ALIGN(addr, pgoff);
+ addr = COLOR_ALIGN(addr, pgoff);
else
addr = PAGE_ALIGN(addr);

@@ -176,7 +176,7 @@ arch_get_unmapped_area_topdown(struct fi
/* requesting a specific address */
if (addr) {
if (do_color_align)
- addr = COLOUR_ALIGN(addr, pgoff);
+ addr = COLOR_ALIGN(addr, pgoff);
else
addr = PAGE_ALIGN(addr);

_

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