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glennklockwood/drop_file_from_page_cache.c

Created July 22, 2016 03:28
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drop_file_from_page_cache.c
#define _XOPEN_SOURCE 600
#include <unistd.h>
#include <fcntl.h>
int main(int argc, char *argv[]) {
int fd;
fd = open(argv[1], O_RDONLY);
fdatasync(fd);
posix_fadvise(fd, 0,0,POSIX_FADV_DONTNEED);
close(fd);
return 0;
}
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