77a78,91
> 
> #include <linux/time.h>
> 
> static inline void do_gettimeofday(struct timeval *tv)
> {
>       struct timespec64 now;
> 
>       ktime_get_real_ts64(&now);
>       tv->tv_sec = now.tv_sec;
>       tv->tv_usec = now.tv_nsec/1000;
> }
> 
> 
> 
1641,1643c1655
<    extern unsigned long totalram_pages;
< 
<    unsigned int totalPhysicalPages = totalram_pages;
---
>   unsigned int totalPhysicalPages = totalram_pages();
3408c3420
<    if (!access_ok(VERIFY_WRITE, p, size)) {
---
>    if (!access_ok(p, size)) {