50 lines
1.6 KiB
Diff
50 lines
1.6 KiB
Diff
From 935f80428fd3220c83163cc4b5a637873e68babb Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Thu, 8 Jun 2023 11:11:28 +0200
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Subject: [PATCH] unit: don't gc unit in oom queue
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This is a follow-up for 8db998981a4fefd0122bcf5f965726b63c9045c2, and
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follows a similar logic: a pending OOM event really trumps everything:
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we should not GC a unit while it is pending.
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Conflict:NA
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Reference:https://github.com/systemd/systemd/commit/935f80428fd3220c83163cc4b5a637873e68babb
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---
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src/core/cgroup.c | 2 ++
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src/core/unit.c | 5 ++++-
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2 files changed, 6 insertions(+), 1 deletion(-)
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diff --git a/src/core/cgroup.c b/src/core/cgroup.c
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index 839b1676c8..34643b242c 100644
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--- a/src/core/cgroup.c
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+++ b/src/core/cgroup.c
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@@ -3319,6 +3319,8 @@ static int on_cgroup_oom_event(sd_event_source *s, void *userdata) {
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}
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(void) unit_check_oom(u);
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+ unit_add_to_gc_queue(u);
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+
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return 0;
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}
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diff --git a/src/core/unit.c b/src/core/unit.c
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index 7b6d50e0ea..80f398c309 100644
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--- a/src/core/unit.c
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+++ b/src/core/unit.c
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@@ -441,7 +441,10 @@ bool unit_may_gc(Unit *u) {
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if (u->perpetual)
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return false;
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- if (u->in_cgroup_empty_queue)
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+ /* if we saw a cgroup empty event for this unit, stay around until we processed it so that we remove
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+ * the empty cgroup if possible. Similar, process any pending OOM events if they are already queued
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+ * before we release the unit. */
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+ if (u->in_cgroup_empty_queue || u->in_cgroup_oom_queue)
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return false;
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if (sd_bus_track_count(u->bus_track) > 0)
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--
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2.33.0
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