linux-kernel - Re: [PATCH 03/15] ACPICA: move common private headers under kernel/acpi/acpica/

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Date:	Fri, 02 Jan 2009 16:56:32 -0500 (EST)
From:	Len Brown <lenb@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-acpi@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 03/15] ACPICA: move common private headers under
 kernel/acpi/acpica/



-- Len Brown, Intel Open Source Technology Center
> Random example - i dont think stuff like this is readable [in to-be 
> kernel/acpi/utilities/utcache.c]:
> 
>         if (cache->current_depth >= cache->max_depth) {
>                 ACPI_FREE(object);
>                 ACPI_MEM_TRACKING(cache->total_freed++);
>         }
> 
>         /* Otherwise put this object back into the cache */
> 
>         else {
>                 status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
>                 if (ACPI_FAILURE(status)) {
>                         return (status);
>                 }

Oops, I notice that I skipped over this comment.

It is a good example of needed cleanup.
(I proposed moving this to kernel/acpi/acpica/, not 
kernel/acpi/utilities/)
But the Linux kernel doesn't compile the contents of utcache.c
and indeed, I should delete that entire file from the tree.

Linux compiles this in osl.c instead:

acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object)
{               
        kmem_cache_free(cache, object);
        return (AE_OK);
}

thanks for pointing this out, I'll deal with it right now.

-Len

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