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authorAndi Kleen <ak@suse.de>2008-07-23 21:27:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 10:47:18 -0700
commitceb868796181dc95ea01a110e123afd391639873 (patch)
tree991be618e5195b05c31974a19adb4b9602315013 /arch/s390/mm/hugetlbpage.c
parent4abd32dbab201c3ced0b0af12accea77cd9eeffc (diff)
downloadlinux-linaro-stable-ceb868796181dc95ea01a110e123afd391639873.tar.gz
hugetlb: introduce pud_huge
Straight forward extensions for huge pages located in the PUD instead of PMDs. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/s390/mm/hugetlbpage.c')
-rw-r--r--arch/s390/mm/hugetlbpage.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index 9162dc84f77f..f28c43d2f61d 100644
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -120,6 +120,11 @@ int pmd_huge(pmd_t pmd)
return !!(pmd_val(pmd) & _SEGMENT_ENTRY_LARGE);
}
+int pud_huge(pud_t pud)
+{
+ return 0;
+}
+
struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
pmd_t *pmdp, int write)
{