Paulius Zaleckas wrote:
quoted text
> Jared Hulbert wrote:
>> We'll need this for AXFS.  The equivalent function in filemap.c is exported.
>>
>> Signed-off-by: Jared Hulbert <jaredeh@gmail.com>
>> ---
>>  include/linux/mm.h |    4 ++++
>>  mm/filemap_xip.c   |    3 ++-
>>  2 files changed, 6 insertions(+), 1 deletion(-)
>>
>> diff --git a/include/linux/mm.h b/include/linux/mm.h
>> index 72a15dc..2be5c22 100644
>> --- a/include/linux/mm.h
>> +++ b/include/linux/mm.h
>> @@ -161,6 +161,10 @@ struct vm_fault {
>>  					 */
>>  };
>>  
>> +#ifdef CONFIG_FS_XIP
>> +extern int xip_file_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
>> +#endif
>> +
> 
> No need for #ifdef here as this function is compiled and exported in .c
> regardless of CONFIG_FS_XIP

Sorry I am wrong... Have to get more sleep :)

quoted text
>>  /*
>>   * These are the virtual MM functions - opening of an area, closing and
>>   * unmapping it (needed to keep files on disk up-to-date etc), pointer
>> diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
>> index 380ab40..ab2f174 100644
>> --- a/mm/filemap_xip.c
>> +++ b/mm/filemap_xip.c
>> @@ -206,7 +206,7 @@ __xip_unmap (struct address_space * mapping,
>>   *
>>   * This function is derived from filemap_fault, but used for execute in place
>>   */
>> -static int xip_file_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
>> +int xip_file_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
>>  {
>>  	struct file *file = vma->vm_file;
>>  	struct address_space *mapping = file->f_mapping;
>> @@ -262,6 +262,7 @@ found:
>>  		return 0;
>>  	}
>>  }
>> +EXPORT_SYMBOL_GPL(xip_file_fault);
>>  
>>  static struct vm_operations_struct xip_file_vm_ops = {
>>  	.fault	= xip_file_fault,
>>
> 
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> 
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