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-rw-r--r--pkg/sentry/kernel/kernel.go9
1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/sentry/kernel/kernel.go b/pkg/sentry/kernel/kernel.go
index b8953657c..290c4a53c 100644
--- a/pkg/sentry/kernel/kernel.go
+++ b/pkg/sentry/kernel/kernel.go
@@ -188,6 +188,11 @@ type Kernel struct {
// deviceRegistry is used to save/restore device.SimpleDevices.
deviceRegistry struct{} `state:".(*device.Registry)"`
+
+ // DirentCacheLimiter controls the number of total dirent entries can be in
+ // caches. Not all caches use it, only the caches that use host resources use
+ // the limiter. It may be nil if disabled.
+ DirentCacheLimiter *fs.DirentCacheLimiter
}
// InitKernelArgs holds arguments to Init.
@@ -626,6 +631,8 @@ func (ctx *createProcessContext) Value(key interface{}) interface{} {
return ctx.k.mounts.Root()
}
return nil
+ case fs.CtxDirentCacheLimiter:
+ return ctx.k.DirentCacheLimiter
case ktime.CtxRealtimeClock:
return ctx.k.RealtimeClock()
case limits.CtxLimits:
@@ -1170,6 +1177,8 @@ func (ctx supervisorContext) Value(key interface{}) interface{} {
return auth.NewRootCredentials(ctx.k.rootUserNamespace)
case fs.CtxRoot:
return ctx.k.mounts.Root()
+ case fs.CtxDirentCacheLimiter:
+ return ctx.k.DirentCacheLimiter
case ktime.CtxRealtimeClock:
return ctx.k.RealtimeClock()
case limits.CtxLimits: