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Commit 40d396eb authored by Rohit Agarwal's avatar Rohit Agarwal
Browse files

mm: slub: Declare slab_owner_ops only when SLUB DEBUG is enabled 



Declare the ops struct and corresponding callbacks only when
SLUB_DEBUG is enabled.
Currently, the ops is defined only under
MINIDUMP_PANIC_DUMP config but the variables it uses are protected
under SLUB_DEBUG as well.

Change-Id: I11f29564e1d65edc506a50e2c12aac374dbca6d5
Signed-off-by: default avatarRohit Agarwal <quic_rohiagar@quicinc.com>
parent e602774f

mm/slub.c

+5 −1
Original line number Diff line number Diff line
@@ -6240,6 +6240,7 @@ static int sysfs_slab_alias(struct kmem_cache *s, const char *name) 
	return 0;

}



#ifdef CONFIG_SLUB_DEBUG

#ifdef CONFIG_QCOM_MINIDUMP_PANIC_DUMP

static ssize_t slab_owner_filter_write(struct file *file,

					  const char __user *ubuf,
@@ -6321,7 +6322,8 @@ static const struct file_operations proc_slab_owner_handle_ops = { 
	.write	= slab_owner_handle_write,

	.read	= slab_owner_handle_read,

};

#endif

#endif /* CONFIG_QCOM_MINIDUMP_PANIC_DUMP */

#endif /* CONFIG_SLUB_DEBUG */



static int __init slab_sysfs_init(void)

{
@@ -6366,6 +6368,7 @@ static int __init slab_sysfs_init(void) 
		kfree(al);

	}



#ifdef CONFIG_SLUB_DEBUG

#ifdef CONFIG_QCOM_MINIDUMP_PANIC_DUMP

	if (slub_debug) {

		int i;
@@ -6380,6 +6383,7 @@ static int __init slab_sysfs_init(void) 
				set_bit(i, &slab_owner_filter);

		}

	}

#endif

#endif

	mutex_unlock(&slab_mutex);

	resiliency_test();