diff options
| -rw-r--r-- | drivers/char/vt.c | 7 | ||||
| -rw-r--r-- | fs/block_dev.c | 6 | ||||
| -rw-r--r-- | include/linux/percpu.h | 5 |
3 files changed, 18 insertions, 0 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 08151d4de489..961c1a788c61 100644 --- a/drivers/char/vt.c +++ b/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/fs/block_dev.c b/fs/block_dev.c index f45dbc18dd17..d250f807fd83 100644 --- a/fs/block_dev.c +++ b/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/include/linux/percpu.h b/include/linux/percpu.h index 1581ff235c7e..26fd9d12f050 100644 --- a/include/linux/percpu.h +++ b/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) \ ({ \ |