[PATCH] mincore: fill in results properly
Paper bag time. Thanks to Randy for noticing that I didn't actually assign
'present' to anything.
Unfortunately my original patch passed the few simple test cases I gave it,
purely by coincidence.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/mincore.c b/mm/mincore.c
index 9780097..9c1d0a4 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -125,6 +125,8 @@
#endif
}
}
+
+ vec[i] = present;
}
pte_unmap_unlock(ptep-1, ptl);
@@ -135,6 +137,9 @@
pgoff = linear_page_index(vma, addr);
for (i = 0; i < nr; i++, pgoff++)
vec[i] = mincore_page(vma->vm_file->f_mapping, pgoff);
+ } else {
+ for (i = 0; i < nr; i++)
+ vec[i] = 0;
}
return nr;