v4.19.13 snapshot.
diff --git a/include/uapi/linux/resource.h b/include/uapi/linux/resource.h
new file mode 100644
index 0000000..cc00fd0
--- /dev/null
+++ b/include/uapi/linux/resource.h
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _UAPI_LINUX_RESOURCE_H
+#define _UAPI_LINUX_RESOURCE_H
+
+#include <linux/time.h>
+#include <linux/types.h>
+
+/*
+ * Resource control/accounting header file for linux
+ */
+
+/*
+ * Definition of struct rusage taken from BSD 4.3 Reno
+ *
+ * We don't support all of these yet, but we might as well have them....
+ * Otherwise, each time we add new items, programs which depend on this
+ * structure will lose. This reduces the chances of that happening.
+ */
+#define RUSAGE_SELF 0
+#define RUSAGE_CHILDREN (-1)
+#define RUSAGE_BOTH (-2) /* sys_wait4() uses this */
+#define RUSAGE_THREAD 1 /* only the calling thread */
+
+struct rusage {
+ struct timeval ru_utime; /* user time used */
+ struct timeval ru_stime; /* system time used */
+ __kernel_long_t ru_maxrss; /* maximum resident set size */
+ __kernel_long_t ru_ixrss; /* integral shared memory size */
+ __kernel_long_t ru_idrss; /* integral unshared data size */
+ __kernel_long_t ru_isrss; /* integral unshared stack size */
+ __kernel_long_t ru_minflt; /* page reclaims */
+ __kernel_long_t ru_majflt; /* page faults */
+ __kernel_long_t ru_nswap; /* swaps */
+ __kernel_long_t ru_inblock; /* block input operations */
+ __kernel_long_t ru_oublock; /* block output operations */
+ __kernel_long_t ru_msgsnd; /* messages sent */
+ __kernel_long_t ru_msgrcv; /* messages received */
+ __kernel_long_t ru_nsignals; /* signals received */
+ __kernel_long_t ru_nvcsw; /* voluntary context switches */
+ __kernel_long_t ru_nivcsw; /* involuntary " */
+};
+
+struct rlimit {
+ __kernel_ulong_t rlim_cur;
+ __kernel_ulong_t rlim_max;
+};
+
+#define RLIM64_INFINITY (~0ULL)
+
+struct rlimit64 {
+ __u64 rlim_cur;
+ __u64 rlim_max;
+};
+
+#define PRIO_MIN (-20)
+#define PRIO_MAX 20
+
+#define PRIO_PROCESS 0
+#define PRIO_PGRP 1
+#define PRIO_USER 2
+
+/*
+ * Limit the stack by to some sane default: root can always
+ * increase this limit if needed.. 8MB seems reasonable.
+ */
+#define _STK_LIM (8*1024*1024)
+
+/*
+ * GPG2 wants 64kB of mlocked memory, to make sure pass phrases
+ * and other sensitive information are never written to disk.
+ */
+#define MLOCK_LIMIT ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024)
+
+/*
+ * Due to binary compatibility, the actual resource numbers
+ * may be different for different linux versions..
+ */
+#include <asm/resource.h>
+
+
+#endif /* _UAPI_LINUX_RESOURCE_H */