Re: [PATCH] Fix implicit declaration of 'in_irq' in linux/highmem.h

From: Peter Zijlstra
Date: Wed Nov 10 2010 - 07:33:29 EST


On Wed, 2010-11-10 at 11:31 +0000, Catalin Marinas wrote:
> Commit 3e4d3af introduced the kmap_atomic_idx_push() function which
> warns on in_irq() with CONFIG_DEBUG_HIGHMEM enabled. This patch includes
> linux/hardirq.h for the in_irq definition.

Ah, indeed. The whole KS/LPC thing made me forget about this issue.
Somehow it only triggered on ARM.

> Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>

Acked-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>

> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> ---
> include/linux/highmem.h | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/include/linux/highmem.h b/include/linux/highmem.h
> index e913819..b676c58 100644
> --- a/include/linux/highmem.h
> +++ b/include/linux/highmem.h
> @@ -5,6 +5,7 @@
> #include <linux/kernel.h>
> #include <linux/mm.h>
> #include <linux/uaccess.h>
> +#include <linux/hardirq.h>
>
> #include <asm/cacheflush.h>
>
>


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