Commit 343c8a56 authored by Heiko Carstens's avatar Heiko Carstens
Browse files

s390/cmf: remove unneeded DMA zone allocation 



The address of the measurement block can be anywhere in 64 bit
absolute space. See description of the schm instruction in the
Principles of Operation.

Therefore remove the GFP_DMA flag when allocating the block.

Acked-by: default avatarAlexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: default avatarVineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent a3a64a4d

drivers/s390/cio/cmf.c

+1 −2
Original line number Diff line number Diff line
@@ -501,8 +501,7 @@ static int alloc_cmb(struct ccw_device *cdev) 
		WARN_ON(!list_empty(&cmb_area.list));



		spin_unlock(&cmb_area.lock);

		mem = (void*)__get_free_pages(GFP_KERNEL | GFP_DMA,

				 get_order(size));

		mem = (void *)__get_free_pages(GFP_KERNEL, get_order(size));

		spin_lock(&cmb_area.lock);



		if (cmb_area.mem) {