William Lee Irwin III wrote:
>
> +unsigned long __kvaddr_to_paddr(unsigned long kvaddr)
> +{
> + if (high_memory)
> + BUG_ON(kvaddr >= VMALLOC_START);
> + else
> + BUG_ON(kvaddr >= (unsigned long)__va(MAXMEM));
> + return kvaddr - PAGE_OFFSET;
> +}
>
Needs to be exported so that modules can use __pa. Though I suspect
most modules doing so are buggy:
WARNING: "__kvaddr_to_paddr" [sound/pci/snd-intel8x0.ko] undefined!
WARNING: "__kvaddr_to_paddr" [sound/core/snd-pcm.ko] undefined!
WARNING: "__kvaddr_to_paddr" [sound/core/snd-page-alloc.ko] undefined!
WARNING: "__kvaddr_to_paddr" [net/ieee80211/ieee80211_crypt_wep.ko] undefined!
WARNING: "__kvaddr_to_paddr" [fs/xfs/xfs.ko] undefined!
WARNING: "__kvaddr_to_paddr" [fs/nfsd/nfsd.ko] undefined!
WARNING: "__kvaddr_to_paddr" [drivers/usb/misc/usbtest.ko] undefined!
WARNING: "__kvaddr_to_paddr" [drivers/scsi/sg.ko] undefined!
WARNING: "__kvaddr_to_paddr" [drivers/parport/parport_pc.ko] undefined!
WARNING: "__kvaddr_to_paddr" [drivers/net/e1000/e1000.ko] undefined!
WARNING: "__kvaddr_to_paddr" [drivers/mmc/mmc_core.ko] undefined!
WARNING: "__kvaddr_to_paddr" [drivers/mmc/mmc_block.ko] undefined!
WARNING: "__kvaddr_to_paddr" [drivers/kvm/kvm.ko] undefined!
WARNING: "__kvaddr_to_paddr" [drivers/kvm/kvm-intel.ko] undefined!
WARNING: "__kvaddr_to_paddr" [drivers/ieee1394/sbp2.ko] undefined!
WARNING: "__kvaddr_to_paddr" [drivers/ieee1394/ohci1394.ko] undefined!
WARNING: "__kvaddr_to_paddr" [drivers/char/drm/drm.ko] undefined!
J
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