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Increase size of /run to 20%

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For low memory machines (256MB), 10% of RAM for /run may not be enough for
re-exec of PID1 because 16MB of free space is required and /run may already
contain something.
This commit is contained in:
Topi Miettinen 2020-05-15 18:33:45 +03:00 committed by Lennart Poettering
parent 154962d348
commit b4e1563ffb
1 changed files with 4 additions and 1 deletions
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5
src/shared/mount-util.h
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@ -13,12 +13,15 @@
#define TMPFS_LIMITS_EMPTY_OR_ALMOST ",size=4m,nr_inodes=1k"
#define TMPFS_LIMITS_SYS TMPFS_LIMITS_EMPTY_OR_ALMOST
#define TMPFS_LIMITS_SYS_FS_CGROUP TMPFS_LIMITS_EMPTY_OR_ALMOST
/* On an extremely small device with only 256MB of RAM, 20% of RAM for /run should be enough for re-exec of
PID1 because 16MB of free space is required. */
#define TMPFS_LIMITS_RUN ",size=20%,nr_inodes=800k"
/* 10% of RAM (using 16GB of RAM as a baseline) translates to 400k inodes (assuming 4k each) and 25%
translates to 1M inodes */
#define TMPFS_LIMITS_TMP ",size=10%,nr_inodes=400k"
#define TMPFS_LIMITS_DEV_SHM TMPFS_LIMITS_TMP
#define TMPFS_LIMITS_RUN TMPFS_LIMITS_TMP
#define TMPFS_LIMITS_TEMPORARY_FS TMPFS_LIMITS_TMP
/* More space for volatile root and /var */
#define TMPFS_LIMITS_VAR ",size=25%,nr_inodes=1m"
#define TMPFS_LIMITS_ROOTFS TMPFS_LIMITS_VAR
#define TMPFS_LIMITS_VOLATILE_STATE TMPFS_LIMITS_VAR