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bpf: use __pa_symbol to retrieve physical address of __start_BTF #9314

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bpf: use __pa_symbol to retrieve physical address of __start_BTF #9314

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2 changes: 1 addition & 1 deletion kernel/bpf/sysfs_btf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ static int btf_sysfs_vmlinux_mmap(struct file *filp, struct kobject *kobj,
{
unsigned long pages = PAGE_ALIGN(attr->size) >> PAGE_SHIFT;
size_t vm_size = vma->vm_end - vma->vm_start;
phys_addr_t addr = virt_to_phys(__start_BTF);
phys_addr_t addr = __pa_symbol(__start_BTF);
unsigned long pfn = addr >> PAGE_SHIFT;

if (attr->private != __start_BTF || !PAGE_ALIGNED(addr))
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