Re: add a not device managed memremap_pages v3
From: Bharata B Rao
Date: Mon Aug 19 2019 - 01:28:07 EST
On Sun, Aug 18, 2019 at 11:05:53AM +0200, Christoph Hellwig wrote:
> Hi Dan and Jason,
> Bharata has been working on secure page management for kvmppc guests,
> and one I thing I noticed is that he had to fake up a struct device
> just so that it could be passed to the devm_memremap_pages
> instrastructure for device private memory.
> This series adds non-device managed versions of the
> devm_request_free_mem_region and devm_memremap_pages functions for
> his use case.
Tested kvmppc ultravisor patchset with migrate_vma changes and this
patchset. (Had to manually patch mm/memremap.c instead of kernel/memremap.c
For the series,
Tested-by: Bharata B Rao <bharata@xxxxxxxxxxxxx>