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systemd/SOURCES/0408-unit-Add-DefaultMemoryMin.patch

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import systemd-239-36.el8
2020-07-28 14:08:58 +00:00
From 69dbbc29f26569fd09f0109e6fbebde98c0c8567 Mon Sep 17 00:00:00 2001
From: Chris Down <chris@chrisdown.name>
Date: Tue, 16 Apr 2019 18:44:05 +0100
Subject: [PATCH] unit: Add DefaultMemoryMin
(cherry picked from commit 7ad5439e0663e39e36619957fa37eefe8026bcab)
Related: #1763435
---
src/core/cgroup.c | 3 +++
src/core/cgroup.h | 4 ++++
src/core/dbus-cgroup.c | 6 ++++++
src/core/load-fragment.c | 11 +++++++++--
src/systemctl/systemctl.c | 2 ++
5 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/src/core/cgroup.c b/src/core/cgroup.c
index 46a89ff5e1..d40f9cbc2a 100644
--- a/src/core/cgroup.c
+++ b/src/core/cgroup.c
@@ -220,6 +220,7 @@ void cgroup_context_dump(CGroupContext *c, FILE* f, const char *prefix) {
"%sStartupIOWeight=%" PRIu64 "\n"
"%sBlockIOWeight=%" PRIu64 "\n"
"%sStartupBlockIOWeight=%" PRIu64 "\n"
+ "%sDefaultMemoryMin=%" PRIu64 "\n"
"%sDefaultMemoryLow=%" PRIu64 "\n"
"%sMemoryMin=%" PRIu64 "\n"
"%sMemoryLow=%" PRIu64 "\n"
@@ -248,6 +249,7 @@ void cgroup_context_dump(CGroupContext *c, FILE* f, const char *prefix) {
prefix, c->startup_io_weight,
prefix, c->blockio_weight,
prefix, c->startup_blockio_weight,
+ prefix, c->default_memory_min,
prefix, c->default_memory_low,
prefix, c->memory_min,
prefix, c->memory_low,
@@ -402,6 +404,7 @@ int cgroup_add_device_allow(CGroupContext *c, const char *dev, const char *mode)
}
UNIT_DEFINE_ANCESTOR_MEMORY_LOOKUP(memory_low);
+UNIT_DEFINE_ANCESTOR_MEMORY_LOOKUP(memory_min);
static int lookup_block_device(const char *p, dev_t *ret) {
struct stat st;
diff --git a/src/core/cgroup.h b/src/core/cgroup.h
index a263d6a169..976224336d 100644
--- a/src/core/cgroup.h
+++ b/src/core/cgroup.h
@@ -95,6 +95,7 @@ struct CGroupContext {
LIST_HEAD(CGroupIODeviceLimit, io_device_limits);
LIST_HEAD(CGroupIODeviceLatency, io_device_latencies);
+ uint64_t default_memory_min;
uint64_t default_memory_low;
uint64_t memory_min;
uint64_t memory_low;
@@ -102,7 +103,9 @@ struct CGroupContext {
uint64_t memory_max;
uint64_t memory_swap_max;
+ bool default_memory_min_set;
bool default_memory_low_set;
+ bool memory_min_set;
bool memory_low_set;
LIST_HEAD(IPAddressAccessItem, ip_address_allow);
@@ -195,6 +198,7 @@ Unit *manager_get_unit_by_cgroup(Manager *m, const char *cgroup);
Unit *manager_get_unit_by_pid_cgroup(Manager *m, pid_t pid);
Unit* manager_get_unit_by_pid(Manager *m, pid_t pid);
+uint64_t unit_get_ancestor_memory_min(Unit *u);
uint64_t unit_get_ancestor_memory_low(Unit *u);
int unit_search_main_pid(Unit *u, pid_t *ret);
diff --git a/src/core/dbus-cgroup.c b/src/core/dbus-cgroup.c
index 2115d43b0c..e1278c317a 100644
--- a/src/core/dbus-cgroup.c
+++ b/src/core/dbus-cgroup.c
@@ -669,6 +669,9 @@ int bus_cgroup_set_property(
if (streq(name, "MemoryLow"))
return bus_cgroup_set_memory(u, name, &c->memory_low, message, flags, error);
+ if (streq(name, "DefaultMemoryMin"))
+ return bus_cgroup_set_memory(u, name, &c->default_memory_min, message, flags, error);
+
if (streq(name, "DefaultMemoryLow"))
return bus_cgroup_set_memory(u, name, &c->default_memory_low, message, flags, error);
@@ -690,6 +693,9 @@ int bus_cgroup_set_property(
if (streq(name, "MemoryLowScale"))
return bus_cgroup_set_memory_scale(u, name, &c->memory_low, message, flags, error);
+ if (streq(name, "DefaultMemoryMinScale"))
+ return bus_cgroup_set_memory_scale(u, name, &c->default_memory_min, message, flags, error);
+
if (streq(name, "DefaultMemoryLowScale"))
return bus_cgroup_set_memory_scale(u, name, &c->default_memory_low, message, flags, error);
diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index 20faed02ad..3b8ee6b124 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -3102,9 +3102,16 @@ int config_parse_memory_limit(
c->default_memory_low = CGROUP_LIMIT_MIN;
else
c->default_memory_low = bytes;
- } else if (streq(lvalue, "MemoryMin"))
+ } else if (streq(lvalue, "DefaultMemoryMin")) {
+ c->default_memory_min_set = true;
+ if (isempty(rvalue))
+ c->default_memory_min = CGROUP_LIMIT_MIN;
+ else
+ c->default_memory_min = bytes;
+ } else if (streq(lvalue, "MemoryMin")) {
c->memory_min = bytes;
- else if (streq(lvalue, "MemoryLow")) {
+ c->memory_min_set = true;
+ } else if (streq(lvalue, "MemoryLow")) {
c->memory_low = bytes;
c->memory_low_set = true;
} else if (streq(lvalue, "MemoryHigh"))
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 763ca0c6b7..e0db97e339 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -3918,6 +3918,7 @@ typedef struct UnitStatusInfo {
uint64_t ip_ingress_bytes;
uint64_t ip_egress_bytes;
+ uint64_t default_memory_min;
uint64_t default_memory_low;
LIST_HEAD(ExecStatusInfo, exec);
@@ -5030,6 +5031,7 @@ static int show_one(
{ "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
{ "What", "s", NULL, offsetof(UnitStatusInfo, what) },
{ "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
+ { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
{ "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
{ "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
{ "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
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