Commit 408093d2 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

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: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 5ad7b85b

drivers/staging/comedi/drivers.c

+4 −0
Original line number Diff line number Diff line
@@ -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);