Re: [PATCH 6/13] BC: kmemsize accounting (core)

From: Pavel Machek
Date: Sat Nov 11 2006 - 01:47:51 EST


Hi!

> --- /dev/null 2006-07-18 14:52:43.075228448 +0400
> +++ ./include/bc/kmem.h 2006-11-03 15:48:26.000000000 +0300
> @@ -0,0 +1,48 @@
> +/*
> + * include/bc/kmem.h
> + *
> + * Copyright (C) 2006 OpenVZ SWsoft Inc
> + *
> + */

GPL would be nice, as would be email address of someone who worked on
this file.


> --- /dev/null 2006-07-18 14:52:43.075228448 +0400
> +++ ./kernel/bc/kmem.c 2006-11-03 15:48:26.000000000 +0300
> @@ -0,0 +1,112 @@
> +/*
> + * kernel/bc/kmem.c
> + *
> + * Copyright (C) 2006 OpenVZ SWsoft Inc
> + *
> + */

Same here.

> +void bc_slab_uncharge(kmem_cache_t *cachep, void *objp)
> +{
> + unsigned int size;
> + struct beancounter *bc, **slab_bcp;
> +
> + slab_bcp = kmem_cache_bcp(cachep, objp);
> + if (*slab_bcp == NULL)
> + return;
> +
> + bc = *slab_bcp;

You can do this before if() and spare a dereference.

Pavel
--
Thanks for all the (sleeping) penguins.
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