--- linux-4.9.37/include/linux/fs.h	2017-07-12 16:42:41.000000000 +0300
+++ linux-4.9.y/include/linux/fs.h	2021-06-07 13:01:34.000000000 +0300
@@ -941,9 +941,9 @@
 /* Page cache limit. The filesystems should put that into their s_maxbytes 
    limits, otherwise bad things can happen in VM. */ 
 #if BITS_PER_LONG==32
-#define MAX_LFS_FILESIZE	(((loff_t)PAGE_SIZE << (BITS_PER_LONG-1))-1)
+#define MAX_LFS_FILESIZE	((loff_t)ULONG_MAX << PAGE_SHIFT)
 #elif BITS_PER_LONG==64
-#define MAX_LFS_FILESIZE 	((loff_t)0x7fffffffffffffffLL)
+#define MAX_LFS_FILESIZE 	((loff_t)LLONG_MAX)
 #endif
 
 #define FL_POSIX	1