Manually clear WSL memory

lxgc.c

#include <stdio.h>

// Must be run as root
// To build:
// cc lxgc.c -o lxgc

int write(const char *path) {
    FILE *fp;
    fp = fopen(path, "w");
    int response = fputs("1", fp);
    fclose(fp);
    return response;
}

int main() {
    printf("Compressing memory...\n");
    if (write("/proc/sys/vm/compact_memory") < 0) {
        printf("Memory compression failed\n");
        return 1;
    }
    printf("Freeing memory by dropping cache...\n");
    if (write("/proc/sys/vm/drop_caches") < 0) {
        printf("Cache dropping failed\n");
        return 1;
    }
}