linux-kernel - RE: [RFC][PATCH 33/35] asm-generic/ptemap.h for HIGHPTE users

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Date:	Fri, 1 May 2009 10:51:57 -0700
From:	"Luck, Tony" <tony.luck@...el.com>
To:	Dave Hansen <dave@...ux.vnet.ibm.com>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [RFC][PATCH 33/35] asm-generic/ptemap.h for HIGHPTE users


> diff -puN include/asm-generic/ptemap.h~asm-generic-ptemap-h-highpte include/asm-generic/ptemap.h
> +#ifdef CONFIG_HIGHPTE
> +#include <asm/highmem.h>
> +#define pte_offset_map(dir, address) \
> +     ((pte_t *)kmap_atomic(pmd_page(*(dir)),KM_PTE0) + pte_index(address))
> +#define pte_offset_map_nested(dir, address) \
> +     ((pte_t *)kmap_atomic(pmd_page(*(dir)),KM_PTE1) + pte_index(address))
> +#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0)
> +#define pte_unmap_nested(pte) kunmap_atomic((pte), KM_PTE1)
> +
> +#else /* !CONFIG_HIGHPTE */
> +
> #define pte_offset_map(dir,addr)      pte_offset_kernel((dir),(addr))
> #define pte_offset_map_nested(dir,addr)       pte_offset_kernel((dir),(addr))
> #define pte_unmap(pte)                        do { } while (0)

You need to add a closing #endif here.

-Tony
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