Messages in this thread | | | From | vda <> | Subject | Re: Unfreeable buffer/cache problem in 2.4.17-rc1 still there | Date | Mon, 17 Dec 2001 15:01:12 -0200 |
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On Sunday 16 December 2001 17:39, Dmitry Volkoff wrote: > Hello! > > Below is simple test case which I think is related to "memory disappear" > problem. > > My real program is doing something like this: > > // test.c > #include <sys/types.h> > #include <sys/stat.h> > #include <fcntl.h> > #include <stdio.h> > #include <unistd.h> > > int main(void) > { > int fd; > int r; > char data[10] = "0123456789"; > int i; > int end = 30; > for (i=0;i<end;i++) { > fd = open("testfile", O_WRONLY | O_NDELAY | O_TRUNC | O_CREAT, 0644); > if (fd == -1) { > printf("unable to open\n"); > return; > } > r = write(fd,data,sizeof data); > if (r == -1) { > printf("unable to write\n"); > close(fd); > return; > } > close(fd); > sleep(1); > } > } > // end test.c
I removed sleep(1). Is it needed?
After 10000+ runs of this proggy swap usage isn't changed on 2.4.17-pre7. top reports constant 2304K of swap usage. -- vda - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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