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Commit 8ca3ed87 authored by David Howells's avatar David Howells Committed by Linus Torvalds
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NOMMU: is_vmalloc_addr() won't compile if !MMU 



Make is_vmalloc_addr() contingent on CONFIG_MMU=y, as it won't compile
in !MMU mode.

[ Bug introduced in commit 9e2779fa:
  "is_vmalloc_addr(): Check if an address is within the vmalloc
  boundaries" ].

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Cc: Greg Ungerer <gerg@snapgear.com>
Cc: Christoph Lameter <clameter@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0400b697

include/linux/mm.h

+2 −0
Original line number Diff line number Diff line
@@ -235,6 +235,7 @@ static inline int get_page_unless_zero(struct page *page) 
struct page *vmalloc_to_page(const void *addr);

unsigned long vmalloc_to_pfn(const void *addr);



#ifdef CONFIG_MMU

/* Determine if an address is within the vmalloc range */

static inline int is_vmalloc_addr(const void *x)

{
@@ -242,6 +243,7 @@ static inline int is_vmalloc_addr(const void *x) 


	return addr >= VMALLOC_START && addr < VMALLOC_END;

}

#endif



static inline struct page *compound_head(struct page *page)

{