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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2007-02-12 00:51:38 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:27 -0800
commit22cd25ed31bbf849acaa06ab220dc4f526153f13 (patch)
treebffc0fa86b3734d89afb3eccb19249663de34ce2 /include/linux
parente0dc0d8f4a327d033bfb63d43f113d5f31d11b3c (diff)
[PATCH] Add NOPFN_REFAULT result from vm_ops->nopfn()
Add a NOPFN_REFAULT return code for vm_ops->nopfn() equivalent to NOPAGE_REFAULT for vmops->nopage() indicating that the handler requests a re-execution of the faulting instruction Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Arnd Bergmann <arnd.bergmann@de.ibm.com> Cc: Hugh Dickins <hugh@veritas.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 903f3b71f4a..a0eec16eb0b 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -637,6 +637,7 @@ static inline int page_mapped(struct page *page)
*/
#define NOPFN_SIGBUS ((unsigned long) -1)
#define NOPFN_OOM ((unsigned long) -2)
+#define NOPFN_REFAULT ((unsigned long) -3)
/*
* Different kinds of faults, as returned by handle_mm_fault().