On Wed, 2021-02-24 at 00:41 -0800, Hugh Dickins wrote:

On Mon, 14 Dec 2020, Vlastimil Babka wrote:

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(There's also a specific issue with the gfp_mask limiting: I have
not yet reviewed the allowing and denying in detail, but it looks
like it does not respect the caller's GFP_ZONEMASK - the gfp in
shmem_getpage_gfp() and shmem_read_mapping_page_gfp() is there to
satisfy the gma500, which wanted to use shmem but could only

manage

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DMA32.  I doubt it wants THPS, but shmem_enabled=force forces

them.)

Oh, I'd forgotten all about that gma500 aspect:
well, I can send a fixup later on.

I already have code to fix that, which somebody earlier
in this discussion convinced me to throw away. Want me
to send it as a patch 4/3 ?

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