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Commit 22c4af40 authored by Luke Yang's avatar Luke Yang Committed by Linus Torvalds
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[PATCH] nommu: export two symbols for drivers to use 



nommu.c needs to export two more symbols for drivers to use:
remap_pfn_range and unmap_mapping_range.

Signed-off-by: default avatarLuke Yang <luke.adi@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 52fa259b

mm/nommu.c

+2 −0
Original line number Diff line number Diff line
@@ -1070,6 +1070,7 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long from, 
	vma->vm_start = vma->vm_pgoff << PAGE_SHIFT;

	return 0;

}

EXPORT_SYMBOL(remap_pfn_range);



void swap_unplug_io_fn(struct backing_dev_info *bdi, struct page *page)

{
@@ -1090,6 +1091,7 @@ void unmap_mapping_range(struct address_space *mapping, 
			 int even_cows)

{

}

EXPORT_SYMBOL(unmap_mapping_range);



/*

 * Check that a process has enough memory to allocate a new virtual