[PATCH v1 01/14] ext4/xfs: add page refcount helper

Theodore Ts'o tytso at mit.edu
Wed Aug 25 15:09:22 UTC 2021


On Tue, Aug 24, 2021 at 10:48:15PM -0500, Alex Sierra wrote:
> From: Ralph Campbell <rcampbell at nvidia.com>
> 
> 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 at nvidia.com>
> Signed-off-by: Alex Sierra <alex.sierra at amd.com>
> Reviewed-by: Christoph Hellwig <hch at lst.de>

Acked-by: Theodore Ts'o <tytso at mit.edu>


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