Right now, ZONE_DEVICE memory is always set PG_reserved. We want to
change that.
The pages are obtained via get_user_pages_fast(). I assume, these
could be ZONE_DEVICE pages. Let's just exclude them as well explicitly.
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: Vandana BN <bnvand...@gmail.com>
Cc: "Simon Sandström" <si...@nikanor.nu>
Cc: Dan Carpenter <dan.carpen...@oracle.com>
Cc: Nishka Dasgupta <nishkadg.li...@gmail.com>
Cc: Madhumitha Prabakaran <madhumitha...@gmail.com>
Cc: Fabio Estevam <feste...@gmail.com>
Cc: Matt Sickler <matt.sick...@daktronics.com>
Cc: Jeremy Sowden <jer...@azazel.net>
Signed-off-by: David Hildenbrand <da...@redhat.com>
---
drivers/staging/kpc2000/kpc_dma/fileops.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/kpc2000/kpc_dma/fileops.c
b/drivers/staging/kpc2000/kpc_dma/fileops.c
index cb52bd9a6d2f..457adcc81fe6 100644
--- a/drivers/staging/kpc2000/kpc_dma/fileops.c
+++ b/drivers/staging/kpc2000/kpc_dma/fileops.c
@@ -212,7 +212,8 @@ void transfer_complete_cb(struct aio_cb_data *acd, size_t
xfr_count, u32 flags)
BUG_ON(acd->ldev->pldev == NULL);
for (i = 0 ; i < acd->page_count ; i++) {
- if (!PageReserved(acd->user_pages[i])) {
+ if (!PageReserved(acd->user_pages[i]) &&
+ !is_zone_device_page(acd->user_pages[i])) {
set_page_dirty(acd->user_pages[i]);
}
}
--
2.21.0
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