diff options
| author | Joe Richey <joerichey@google.com> | 2021-05-24 03:41:16 -0700 |
|---|---|---|
| committer | Joe Richey <joerichey@google.com> | 2021-05-24 03:41:16 -0700 |
| commit | 6f97cc7522ebb2adc56c4bdb278e80bf7b9d3656 (patch) | |
| tree | 3ccbdca1b321377eee975889bc1a5b6fcbca3829 /actions/config.go | |
| parent | e479779a7f39e66d3f76673f18308906e817be02 (diff) | |
Only use 1/8 of the system RAM
On systems with high memory pressure, using half of the entire RAM for
hashing can result in fscrypt getting OOM killed.
Signed-off-by: Joe Richey <joerichey@google.com>
Diffstat (limited to 'actions/config.go')
| -rw-r--r-- | actions/config.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/actions/config.go b/actions/config.go index b848d92..fb0e3c1 100644 --- a/actions/config.go +++ b/actions/config.go @@ -242,7 +242,7 @@ func getHashingCosts(target time.Duration) (*metadata.HashingCosts, error) { // memoryBytesLimit returns the maximum amount of memory we will use for // passphrase hashing. This will never be more than a reasonable maximum (for -// compatibility) or half the available system RAM. +// compatibility) or an 8th the available system RAM. func memoryBytesLimit() int64 { // The sysinfo syscall only fails if given a bad address var info unix.Sysinfo_t @@ -250,7 +250,7 @@ func memoryBytesLimit() int64 { util.NeverError(err) totalRAMBytes := int64(info.Totalram) - return util.MinInt64(totalRAMBytes/2, maxMemoryBytes) + return util.MinInt64(totalRAMBytes/8, maxMemoryBytes) } // betweenCosts returns a cost between a and b. Specifically, it returns the |