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SubjectRe: [PATCH 1/9] Change the idr structure
On Wed, May 07, 2008 at 01:35:54PM +0200, Nadia.Derbey@bull.net wrote:
> [PATCH 01/09]
>
> This patch adds an rcu_head to the idr_layer structure in order to free it
> after a grace period.

Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

> Signed-off-by: Nadia Derbey <Nadia.Derbey@bull.net>
>
> ---
> include/linux/idr.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> Index: linux-2.6.25-mm1/include/linux/idr.h
> ===================================================================
> --- linux-2.6.25-mm1.orig/include/linux/idr.h 2008-05-06 17:14:24.000000000 +0200
> +++ linux-2.6.25-mm1/include/linux/idr.h 2008-05-06 17:20:58.000000000 +0200
> @@ -15,6 +15,7 @@
> #include <linux/types.h>
> #include <linux/bitops.h>
> #include <linux/init.h>
> +#include <linux/rcupdate.h>
>
> #if BITS_PER_LONG == 32
> # define IDR_BITS 5
> @@ -51,6 +52,7 @@ struct idr_layer {
> unsigned long bitmap; /* A zero bit means "space here" */
> struct idr_layer *ary[1<<IDR_BITS];
> int count; /* When zero, we can release it */
> + struct rcu_head rcu_head;
> };
>
> struct idr {
>
> --


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