diff options
Diffstat (limited to 'pkg/sentry/kernel/task.go')
| -rw-r--r-- | pkg/sentry/kernel/task.go | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/pkg/sentry/kernel/task.go b/pkg/sentry/kernel/task.go index f958aba26..9c365e781 100644 --- a/pkg/sentry/kernel/task.go +++ b/pkg/sentry/kernel/task.go @@ -550,17 +550,16 @@ func (t *Task) afterLoad() { t.futexWaiter = futex.NewWaiter() } -// copyScratchBufferLen is the length of the copyScratchBuffer field of the Task -// struct. -const copyScratchBufferLen = 52 +// copyScratchBufferLen is the length of Task.copyScratchBuffer. +const copyScratchBufferLen = 144 // sizeof(struct stat) // CopyScratchBuffer returns a scratch buffer to be used in CopyIn/CopyOut // functions. It must only be used within those functions and can only be used // by the task goroutine; it exists to improve performance and thus // intentionally lacks any synchronization. // -// Callers should pass a constant value as an argument, which will allow the -// compiler to inline and optimize out the if statement below. +// Callers should pass a constant value as an argument if possible, which will +// allow the compiler to inline and optimize out the if statement below. func (t *Task) CopyScratchBuffer(size int) []byte { if size > copyScratchBufferLen { return make([]byte, size) |