Messages in this thread | | | From | Bodo Eggert <> | Subject | Re: Shrink the held_lock struct by using bitfields. | Date | Wed, 03 Jan 2007 01:47:36 +0100 |
| |
Dave Jones <davej@redhat.com> wrote:
> Shrink the held_lock struct by using bitfields. > This shrinks task_struct on lockdep enabled kernels by 480 bytes.
> * The following field is used to detect when we cross into an > * interrupt context: > */ > - int irq_context; [...] > + unsigned char irq_context:1; [...]
Can these fields be set by concurrent processes, e.g.: CPU0 CPU1 load flags load flags flip bit store flip bit store
? -- Ich danke GMX dafür, die Verwendung meiner Adressen mittels per SPF verbreiteten Lügen zu sabotieren.
http://david.woodhou.se/why-not-spf.html - 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/
| |