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s390/cmf: remove unneeded DMA zone allocation

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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: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2024-01-19 12:19:29 +01:00
parent a3a64a4def
commit 343c8a5645
1 changed files with 1 additions and 2 deletions
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3
drivers/s390/cio/cmf.c
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@ -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) {