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Commit 0d39741a authored by Jack Steiner's avatar Jack Steiner Committed by Linus Torvalds
Browse files

GRU Driver: export is_uv_system(), zap_page_range() & follow_page() 



Exports needed by the GRU driver.

Signed-off-by: default avatarJack Steiner <steiner@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 3c45f692

arch/x86/kernel/genapic_64.c

+1 −0
Original line number Diff line number Diff line
@@ -99,3 +99,4 @@ int is_uv_system(void) 
{

	return uv_system_type != UV_NONE;

}

EXPORT_SYMBOL_GPL(is_uv_system);

mm/memory.c

+2 −0
Original line number Diff line number Diff line
@@ -993,6 +993,7 @@ unsigned long zap_page_range(struct vm_area_struct *vma, unsigned long address, 
		tlb_finish_mmu(tlb, address, end);

	return end;

}

EXPORT_SYMBOL_GPL(zap_page_range);



/**

 * zap_vma_ptes - remove ptes mapping the vma
@@ -1110,6 +1111,7 @@ struct page *follow_page(struct vm_area_struct *vma, unsigned long address, 
	}

	return page;

}

EXPORT_SYMBOL_GPL(follow_page);



/* Can we do the FOLL_ANON optimization? */

static inline int use_zero_page(struct vm_area_struct *vma)