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 <[email protected]> Cc: Vandana BN <[email protected]> Cc: "Simon Sandström" <[email protected]> Cc: Dan Carpenter <[email protected]> Cc: Nishka Dasgupta <[email protected]> Cc: Madhumitha Prabakaran <[email protected]> Cc: Fabio Estevam <[email protected]> Cc: Matt Sickler <[email protected]> Cc: Jeremy Sowden <[email protected]> Signed-off-by: David Hildenbrand <[email protected]> --- 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 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
