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Update sysproc.c #265

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Update sysproc.c #265

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8 changes: 8 additions & 0 deletions kernel/sysproc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
#include "memlayout.h"
#include "spinlock.h"
#include "proc.h"
#include "mmu.h"

uint64
sys_exit(void)
Expand Down Expand Up @@ -91,3 +92,10 @@ sys_uptime(void)
release(&tickslock);
return xticks;
}
extern int kfreepages(void); // Declaration of function that returns free pages

int sys_getfreemem(void) {
// Calculate free memory in bytes, assuming PGSIZE is the size of each page
int free_pages = kfreepages(); // This function should return the number of free pages
return free_pages * PGSIZE; // Return the free memory in bytes
}