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Merge "Use mem cgroups in libprocessgroup if they're available"

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am: 3c7f566495

Change-Id: I7b50c83c5ba053faf6be62200570738744dd1e7b
This commit is contained in:
Robert Benea 2017-07-11 22:01:09 +00:00 committed by android-build-merger
commit 92ad7c02d4
2 changed files with 2 additions and 7 deletions
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7
libprocessgroup/processgroup.cpp
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@ -43,9 +43,6 @@
using namespace std::chrono_literals;
// Uncomment line below use memory cgroups for keeping track of (forked) PIDs
// #define USE_MEMCG 1
#define MEM_CGROUP_PATH "/dev/memcg/apps"
#define MEM_CGROUP_TASKS "/dev/memcg/apps/tasks"
#define ACCT_CGROUP_PATH "/acct"
@ -91,7 +88,6 @@ class ProcessGroup {
};
static const char* getCgroupRootPath() {
#ifdef USE_MEMCG
static const char* cgroup_root_path = NULL;
std::call_once(init_path_flag, [&]() {
// Check if mem cgroup is mounted, only then check for write-access to avoid
@ -100,9 +96,6 @@ static const char* getCgroupRootPath() {
ACCT_CGROUP_PATH : MEM_CGROUP_PATH;
});
return cgroup_root_path;
#else
return ACCT_CGROUP_PATH;
#endif
}
static int convertUidToPath(char *path, size_t size, uid_t uid)

2
rootdir/init.rc
View file

@ -36,6 +36,8 @@ on early-init
mount cgroup none /dev/memcg memory
# app mem cgroups, used by activity manager, lmkd and zygote
mkdir /dev/memcg/apps/ 0755 system system
# cgroup for system_server and surfaceflinger
mkdir /dev/memcg/system 0550 system system
start ueventd