bbe8512a93
zfs_arc_shrinker_limit (default: 10000) avoids ARC collapse due to excessive memory reclaim. However, when the kernel is in direct reclaim mode (ie: low on memory), limiting ARC reclaim increases OOM risk. This is especially true on system without (or with inadequate) swap. This patch ignores zfs_arc_shrinker_limit when the kernel is in direct reclaim mode, avoiding most OOM. It also restores "echo 3 > /proc/sys/vm/drop_caches" ability to correctly drop (almost) all ARC. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Adam Moss <c@yotes.com> Signed-off-by: Gionatan Danti <g.danti@assyoma.it> Closes #16313 |
||
|---|---|---|
| .. | ||
| avl | ||
| icp | ||
| lua | ||
| nvpair | ||
| os | ||
| unicode | ||
| zcommon | ||
| zfs | ||
| zstd | ||
| .gitignore | ||
| Kbuild.in | ||
| Makefile.bsd | ||
| Makefile.in | ||