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Staging: comedi: drivers.c: fix PAGE_KERNEL_NOCACHE issue 

Not all arches have PAGE_KERNEL_NOCACHE, so use the "normal" PAGE_KERNEL
on those that do not have it.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
hifive-unleashed-5.1
Greg Kroah-Hartman 2011-06-09 12:13:08 -07:00
parent 5ad7b85b90
commit 408093d2a1
1 changed files with 4 additions and 0 deletions
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4
drivers/staging/comedi/drivers.c
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@ -502,7 +502,11 @@ int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
}
if (i == n_pages) {
async->prealloc_buf =
#ifdef PAGE_KERNEL_NOCACHE
vmap(pages, n_pages, VM_MAP, PAGE_KERNEL_NOCACHE);
#else
vmap(pages, n_pages, VM_MAP, PAGE_KERNEL);
#endif
}
vfree(pages);