shodanshok 4808641e71 enforce arc_dnode_limit ... Linux kernel shrinker in the context of null/root memcg does not scan dentry and inode caches added by a task running in non-root memcg. For ZFS this means that dnode cache routinely overflows, evicting valuable meta/data and putting additional memory pressure on the system. This patch restores zfs_prune_aliases as fallback when the kernel shrinker does nothing, enabling zfs to actually free dnodes. Moreover, it (indirectly) calls arc_evict when dnode_size > dnode_limit. Reviewed-by: Rob Norris <robn@despairlabs.com> Reviewed-by: Alexander Motin <mav@FreeBSD.org> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Gionatan Danti <g.danti@assyoma.it> Closes #17487 Closes #17542		2025-08-07 12:11:34 -04:00
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spl	tunables: use Linux ullong param ops for u64	2025-06-17 10:50:26 -07:00
zfs	enforce arc_dnode_limit	2025-08-07 12:11:34 -04:00