On Tue, Sep 18, 2012 at 12:27:58PM -0700, David Rientjes wrote:
> On Tue, 18 Sep 2012, Christoph Lameter wrote:
>
> > On Tue, 18 Sep 2012, Dave Jones wrote:
> >
> > > It doesn't seem worth adding a new taint flag for this, so just re-use
> > > the one from 'bad page'
> >
> > Acked-by: Christoph Lameter <c...@linux.com>
>
> [Fixing Pekka's email address]
>
> Dave, would you like to add something similar to __slab_error() for
> CONFIG_SLAB?
Sure. This ?
Dave
--
Taint kernel when we detect a corrupted slab.
It doesn't seem worth adding a new taint flag for this, so just re-use
the one from 'bad page'
Signed-off-by: Dave Jones <da...@redhat.com>
diff --git a/mm/slub.c b/mm/slub.c
index 2fdd96f..0c5009d 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -568,6 +568,8 @@ static void slab_bug(struct kmem_cache *s, char *fmt, ...)
printk(KERN_ERR "BUG %s (%s): %s\n", s->name, print_tainted(), buf);
printk(KERN_ERR "----------------------------------------"
"-------------------------------------\n\n");
+
+ add_taint(TAINT_BAD_PAGE);
}
static void slab_fix(struct kmem_cache *s, char *fmt, ...)
diff --git a/mm/slab.c b/mm/slab.c
index c685475..cbce8c9 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -818,6 +818,7 @@ static void __slab_error(const char *function, struct
kmem_cache *cachep,
printk(KERN_ERR "slab error in %s(): cache `%s': %s\n",
function, cachep->name, msg);
dump_stack();
+ add_taint(TAINT_BAD_PAGE);
}
/*
--
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