> +static inline unsigned long *__alloc_zone_bitmap(int node,
> + unsigned int nr_zones)
> +{
> + return kcalloc_node(BITS_TO_LONGS(nr_zones), sizeof(unsigned long),
> + GFP_NOIO | __GFP_ZERO, node);
kcalloc already implies G
Drivers exposing zoned block devices have to initialize and maintain
correctness (i.e. revalidate) of the device zone bitmaps attached to
the device request queue (seq_zones_bitmap and seq_zones_wlock).
To simplify coding this, introduce a generic helper function
revalidate_disk_zones() suitable f
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