Re: cvs commit: src/sys/alpha/alpha busdma_machdep.c src/sys/alpha/osf1 imgact_osf1.c osf1_misc.c src/sys/cam cam_periph.c cam_sim.c cam_xpt.c src/sys/cam/scsi scsi_cd.c scsi_ch.c scsi_da.c scsi_low.c scsi_sa.c scsi_target.c src/sys/coda cnode.h ...

[Giorgos Keramidas]

On 2003-02-19 09:14, [EMAIL PROTECTED] wrote:
> The attached patch will print a backtrace if any calls to malloc
> fail to have either M_WAITOK or M_NOWAIT. [...]

> --- kern/kern_malloc.c        19 Feb 2003 05:47:25 -0000      1.116
> +++ kern/kern_malloc.c        19 Feb 2003 07:55:19 -0000
> @@ -167,11 +167,21 @@
>  #endif
>       register struct malloc_type *ksp = type;
>
> +     indx = flags & (M_WAITOK | M_NOWAIT);
> +     if (indx == M_NOWAIT) {
> +             /* OK */
> +     } else if (indx == M_WAITOK) {
> +             /* OK */
> +     } else {

Or, a simpler version:

        /* Either M_NOWAIT or M_WAITOK must be set. */
        if (indx != M_NOWAIT && indx != M_WAITOK) {
                printf("Missing M_WAITOK flag\n");
                backtrace();
                flags |= M_WAITOK;
        }

:=)


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