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Linux 3.1-git1 (138c4ae9cfda upstream)

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First take on the upcomming Linux 3.2 kernel.  The moving of the ethernet
drivers into vendor subdirectories caused a lot of churn in config-generic, but
hopefully it's a bit cleaner now.
This commit is contained in:
Josh Boyer 2011-10-26 18:23:52 -04:00
commit 34f9218fe5
27 changed files with 418 additions and 1485 deletions
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35
linux-2.6-debug-taint-vm.patch
View file

@ -1,5 +1,17 @@
From 77c78bac236c7b07d390be65f357c85a79cce890 Mon Sep 17 00:00:00 2001
From: Dave Jones <davej@redhat.com>
Date: Wed, 26 Oct 2011 18:44:26 -0400
Subject: [PATCH] Add more debugging information to the VM subsystem
Dump modules in bad_page, and print taint information in other areas
---
mm/page_alloc.c | 1 +
mm/slab.c | 8 ++++----
mm/slub.c | 2 +-
3 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4e8985a..70d0853 100644
index 6e8ecb6..83a0205 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -318,6 +318,7 @@ static void bad_page(struct page *page)
@ -11,10 +23,10 @@ index 4e8985a..70d0853 100644
out:
/* Leave bad fields for debug, except PageBuddy could make trouble */
diff --git a/mm/slab.c b/mm/slab.c
index d96e223..6f8905b 100644
index 708efe8..114a66d 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1886,8 +1886,8 @@ static void check_poison_obj(struct kmem_cache *cachep, void *objp)
@@ -1927,8 +1927,8 @@ static void check_poison_obj(struct kmem_cache *cachep, void *objp)
/* Print header */
if (lines == 0) {
printk(KERN_ERR
@ -25,22 +37,22 @@ index d96e223..6f8905b 100644
print_objinfo(cachep, objp, 0);
}
/* Hexdump the affected line */
@@ -2985,8 +2985,8 @@ static void check_slabp(struct kmem_cache *cachep, struct slab *slabp)
@@ -3037,8 +3037,8 @@ static void check_slabp(struct kmem_cache *cachep, struct slab *slabp)
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",
+ "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++) {
print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, slabp,
sizeof(*slabp) + cachep->num * sizeof(kmem_bufctl_t),
1);
diff --git a/mm/slub.c b/mm/slub.c
index 35f351f..e7ccb39 100644
index 95215aa..bbec29e 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -472,7 +472,7 @@ static void slab_bug(struct kmem_cache *s, char *fmt, ...)
@@ -570,7 +570,7 @@ static void slab_bug(struct kmem_cache *s, char *fmt, ...)
va_end(args);
printk(KERN_ERR "========================================"
"=====================================\n");
@ -49,3 +61,6 @@ index 35f351f..e7ccb39 100644
printk(KERN_ERR "----------------------------------------"
"-------------------------------------\n\n");
}
--
1.7.6.4