Re: [PATCH-v3 1/4] idr: Percpu ida

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 28 Aug 2013 14:12:17 -0700 Kent Overstreet <kmo@xxxxxxxxxxxxx> wrote:

> How's this look?
> 
> diff --git a/lib/idr.c b/lib/idr.c
> index 15c021c..a3f8e9a 100644
> --- a/lib/idr.c
> +++ b/lib/idr.c
> @@ -1288,6 +1288,11 @@ static inline unsigned alloc_local_tag(struct percpu_ida *pool,
>   * Safe to be called from interrupt context (assuming it isn't passed
>   * __GFP_WAIT, of course).
>   *
> + * @gfp indicates whether or not to wait until a free id is available (it's not
> + * used for internal memory allocations); thus if passed __GFP_WAIT we may sleep
> + * however long it takes until another thread frees an id (same semantics as a
> + * mempool).

Looks good.  Mentioning the mempool thing is effective - people
understand that.
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux