Re: [RFC PATCH v3 1/2] ext4/xfs: add page refcount helper

From: Ralph Campbell
Date: Mon Oct 05 2020 - 12:29:08 EST




On 10/1/20 10:56 PM, Christoph Hellwig wrote:
On Thu, Oct 01, 2020 at 11:17:14AM -0700, Ralph Campbell wrote:
There are several places where ZONE_DEVICE struct pages assume a reference
count == 1 means the page is idle and free. Instead of open coding this,
add a helper function to hide this detail.

Signed-off-by: Ralph Campbell <rcampbell@xxxxxxxxxx>

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>


Thanks for the review.
I'll resend this as an independent patch.