This is a note to let you know that I've just added the patch titled
s390/mm: correct return value of pmd_pfn
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
s390-mm-correct-return-value-of-pmd_pfn.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 7cded342c09f633666e71ee1ce048f218a9c5836 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Date: Wed, 13 May 2015 14:33:22 +0200
Subject: s390/mm: correct return value of pmd_pfn
From: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
commit 7cded342c09f633666e71ee1ce048f218a9c5836 upstream.
Git commit 152125b7a882df36a55a8eadbea6d0edf1461ee7
"s390/mm: implement dirty bits for large segment table entries"
broke the pmd_pfn function, it changed the return value from
'unsigned long' to 'int'. This breaks all machine configurations
with memory above the 8TB line.
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/s390/include/asm/pgtable.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -600,7 +600,7 @@ static inline int pmd_large(pmd_t pmd)
return (pmd_val(pmd) & _SEGMENT_ENTRY_LARGE) != 0;
}
-static inline int pmd_pfn(pmd_t pmd)
+static inline unsigned long pmd_pfn(pmd_t pmd)
{
unsigned long origin_mask;
Patches currently in stable-queue which might be from schwidefsky@xxxxxxxxxx are
queue-4.0/s390-mm-correct-return-value-of-pmd_pfn.patch
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