The patch titled
slab: add taint flag outputting to debug paths.
has been added to the -mm tree. Its filename is
slab-add-taint-flag-outputting-to-debug-paths.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: slab: add taint flag outputting to debug paths.
From: Dave Jones <davej@xxxxxxxxxx>
When we get corruption reports, it's useful to see if the kernel was
tainted, to rule out problems we can't do anything about.
Signed-off-by: Dave Jones <davej@xxxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/slab.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff -puN mm/slab.c~slab-add-taint-flag-outputting-to-debug-paths mm/slab.c
--- a/mm/slab.c~slab-add-taint-flag-outputting-to-debug-paths
+++ a/mm/slab.c
@@ -1887,8 +1887,8 @@ static void check_poison_obj(struct kmem
/* Print header */
if (lines == 0) {
printk(KERN_ERR
- "Slab corruption: %s start=%p, len=%d\n",
- cachep->name, realobj, size);
+ "Slab corruption (%s): %s start=%p, len=%d\n",
+ print_tainted(), cachep->name, realobj, size);
print_objinfo(cachep, objp, 0);
}
/* Hexdump the affected line */
@@ -2987,8 +2987,8 @@ static void check_slabp(struct kmem_cach
if (entries != cachep->num - slabp->inuse) {
bad:
printk(KERN_ERR "slab: Internal list corruption detected in "
- "cache '%s'(%d), slabp %p(%d). Hexdump:\n",
- cachep->name, cachep->num, slabp, slabp->inuse);
+ "cache '%s'(%d), slabp %p(%d). Tainted(%s). Hexdump:\n",
+ cachep->name, cachep->num, slabp, slabp->inuse, print_tainted());
for (i = 0;
i < sizeof(*slabp) + cachep->num * sizeof(kmem_bufctl_t);
i++) {
_
Patches currently in -mm which might be from davej@xxxxxxxxxx are
origin.patch
linux-next.patch
slab-add-taint-flag-outputting-to-debug-paths.patch
slub-add-taint-flag-outputting-to-debug-paths.patch
mm-output-a-list-of-loaded-modules-when-we-hit-bad_page.patch
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