Re: [PATCH] xen/blkfront: fix memory allocation flags in blkfront_setup_indirect()

On Fri, Apr 03, 2020 at 11:00:34AM +0200, Juergen Gross wrote:

Commit 1d5c76e664333 ("xen-blkfront: switch kcalloc to kvcalloc for large array allocation") didn't fix the issue it was meant to, as the flags for allocating the memory are GFP_NOIO, which will lead the memory allocation falling back to kmalloc().

So instead of GFP_NOIO use GFP_KERNEL and do all the memory allocation in blkfront_setup_indirect() in a memalloc_noio_{save,restore} section.

Fixes: 1d5c76e664333 ("xen-blkfront: switch kcalloc to kvcalloc for large array allocation") Cc: stable@vger.kernel.org Signed-off-by: Juergen Gross jgross@suse.com

Acked-by: Roger Pau Monné roger.pau@citrix.com

Thanks!