X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=kernel%2Fres_counter.c;h=e1338f074314d7e85fca035ac4ab55f20704b8cd;hb=fc013a58859b7cf85e53a05804a74952fe0a4117;hp=bf8e7534c803d4e7708ed6929ddd54f00d12064b;hpb=c088f4e9da74b901f7ed1749ad697d77622ed0f9;p=mirror_ubuntu-bionic-kernel.git

diff --git a/kernel/res_counter.c b/kernel/res_counter.c
index bf8e7534c803..e1338f074314 100644
--- a/kernel/res_counter.c
+++ b/kernel/res_counter.c
@@ -18,7 +18,7 @@
 void res_counter_init(struct res_counter *counter, struct res_counter *parent)
 {
 	spin_lock_init(&counter->lock);
-	counter->limit = (unsigned long long)LLONG_MAX;
+	counter->limit = RESOURCE_MAX;
 	counter->parent = parent;
 }
 
@@ -133,6 +133,16 @@ int res_counter_memparse_write_strategy(const char *buf,
 					unsigned long long *res)
 {
 	char *end;
+
+	/* return RESOURCE_MAX(unlimited) if "-1" is specified */
+	if (*buf == '-') {
+		*res = simple_strtoull(buf + 1, &end, 10);
+		if (*res != 1 || *end != '\0')
+			return -EINVAL;
+		*res = RESOURCE_MAX;
+		return 0;
+	}
+
 	/* FIXME - make memparse() take const char* args */
 	*res = memparse((char *)buf, &end);
 	if (*end != '\0')