---

yaml --- r: 147740 b: refs/heads/master c: 2e1483c h: refs/heads/master v: v3
git-mirror · Jun 11, 2009 · 058588c · 058588c
1 parent e387777
commit 058588c
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Showing 4 changed files with 19 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4f2294b6dc88d99295230d97fef2c9863cec44c3
+refs/heads/master: 2e1483c995bbd0fa6cbd055ad76088a520799ba4
diff --git a/trunk/drivers/char/vt.c b/trunk/drivers/char/vt.c
@@ -104,6 +104,7 @@
 #include <linux/io.h>
 #include <asm/system.h>
 #include <linux/uaccess.h>
+#include <linux/kmemleak.h>
 
 #define MAX_NR_CON_DRIVER 16
 
@@ -2880,6 +2881,12 @@ static int __init con_init(void)
 	 */
 	for (currcons = 0; currcons < MIN_NR_CONSOLES; currcons++) {
 		vc_cons[currcons].d = vc = alloc_bootmem(sizeof(struct vc_data));
+		/*
+		 * Kmemleak does not track the memory allocated via
+		 * alloc_bootmem() but this block contains pointers to
+		 * other blocks allocated via kmalloc.
+		 */
+		kmemleak_alloc(vc, sizeof(struct vc_data), 1, GFP_ATOMIC);
 		INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK);
 		visual_init(vc, currcons, 1);
 		vc->vc_screenbuf = (unsigned short *)alloc_bootmem(vc->vc_screenbuf_size);

diff --git a/trunk/fs/block_dev.c b/trunk/fs/block_dev.c
@@ -25,6 +25,7 @@
 #include <linux/uio.h>
 #include <linux/namei.h>
 #include <linux/log2.h>
+#include <linux/kmemleak.h>
 #include <asm/uaccess.h>
 #include "internal.h"
 
@@ -492,6 +493,11 @@ void __init bdev_cache_init(void)
 	bd_mnt = kern_mount(&bd_type);
 	if (IS_ERR(bd_mnt))
 		panic("Cannot create bdev pseudo-fs");
+	/*
+	 * This vfsmount structure is only used to obtain the
+	 * blockdev_superblock, so tell kmemleak not to report it.
+	 */
+	kmemleak_not_leak(bd_mnt);
 	blockdev_superblock = bd_mnt->mnt_sb;	/* For writeback */
 }
 

diff --git a/trunk/include/linux/percpu.h b/trunk/include/linux/percpu.h
@@ -86,7 +86,12 @@ struct percpu_data {
 	void *ptrs[1];
 };
 
+/* pointer disguising messes up the kmemleak objects tracking */
+#ifndef CONFIG_DEBUG_KMEMLEAK
 #define __percpu_disguise(pdata) (struct percpu_data *)~(unsigned long)(pdata)
+#else
+#define __percpu_disguise(pdata) (struct percpu_data *)(pdata)
+#endif
 
 #define per_cpu_ptr(ptr, cpu)						\
 ({									\