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

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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: Rohit Agarwal <quic_rohiagar@quicinc.com>
This commit is contained in:
Rohit Agarwal 2024-01-18 13:04:58 +05:30
parent e602774fc1
commit 40d396eb36
1 changed files with 5 additions and 1 deletions
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6
mm/slub.c
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@ -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();