On 02/13/2012 12:45 AM, Greg KH wrote:
> On Mon, Feb 13, 2012 at 05:19:49PM +1100, Stephen Rothwell wrote:
>> Hi ,
>>
>> After merging the final tree, today's linux-next build (powerpc allyesconfig)
>> failed like this:
>>
>> drivers/staging/zsmalloc/zsmalloc-main.c: In function 'zs_cpu_notifier':
>> drivers/staging/zsmalloc/zsmalloc-main.c:451:3: error: implicit declaration of function 'alloc_vm_area' [-Werror=implicit-function-declaration]
>> drivers/staging/zsmalloc/zsmalloc-main.c:451:12: warning: assignment makes pointer from integer without a cast [enabled by default]
>> drivers/staging/zsmalloc/zsmalloc-main.c:459:4: error: implicit declaration of function 'free_vm_area' [-Werror=implicit-function-declaration]
>> drivers/staging/zsmalloc/zsmalloc-main.c: In function 'zs_map_object':
>> drivers/staging/zsmalloc/zsmalloc-main.c:705:3: error: implicit declaration of function 'set_pte' [-Werror=implicit-function-declaration]
>> drivers/staging/zsmalloc/zsmalloc-main.c:709:27: error: dereferencing pointer to incomplete type
>> drivers/staging/zsmalloc/zsmalloc-main.c: In function 'zs_unmap_object':
>> drivers/staging/zsmalloc/zsmalloc-main.c:739:3: error: implicit declaration of function '__flush_tlb_one' [-Werror=implicit-function-declaration]
>>
>> Caused by commit 61989a80fb3a ("staging: zsmalloc: zsmalloc memory
>> allocation library"). This needs to include linux/vmalloc.h at least. I
>> couldn't find set_pte at all or __flush_tlb_one for powerpc.
>>
>> This was too hard to revert, so I have left powerpc allyesconfig broken
>> for today. I may revert it (and some dependent commits) tomorrow.
>
> Nitin, please send me a patch to fix this as soon as possible.
Sending a patch now. Adds linux/vmalloc.h to zsmalloc-main.c. On a less ideal
note, it also adds an X86 dependency since set_pte and __flush_tlb_one are
x86 only. I'm working to find portable replacements for these functions.
--
Seth
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