linux-kernel - [patch] xen64: fix build error on 32-bit + !HIGHMEM (was: Re: [PATCH 00 of 55] xen64: implement 64-bit Xen support)

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Date:	Wed, 9 Jul 2008 13:47:30 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
	Stephen Tweedie <sct@...hat.com>,
	Eduardo Habkost <ehabkost@...hat.com>,
	Mark McLoughlin <markmc@...hat.com>
Subject: [patch] xen64: fix build error on 32-bit + !HIGHMEM  (was: Re:
	[PATCH 00 of 55] xen64: implement 64-bit Xen support)


another small build fixlet, on 32-bit.

	Ingo

---------------->
commit c3d03b62eb73cb66415b7bb3031981c6a0cb90c3
Author: Ingo Molnar <mingo@...e.hu>
Date:   Wed Jul 9 13:45:33 2008 +0200

    xen64: fix build error on 32-bit + !HIGHMEM
    
    fix:
    
    arch/x86/xen/enlighten.c: In function 'xen_set_fixmap':
    arch/x86/xen/enlighten.c:1127: error: 'FIX_KMAP_BEGIN' undeclared (first use in this function)
    arch/x86/xen/enlighten.c:1127: error: (Each undeclared identifier is reported only once
    arch/x86/xen/enlighten.c:1127: error: for each function it appears in.)
    arch/x86/xen/enlighten.c:1127: error: 'FIX_KMAP_END' undeclared (first use in this function)
    make[1]: *** [arch/x86/xen/enlighten.o] Error 1
    make: *** [arch/x86/xen/enlighten.o] Error 2
    
    FIX_KMAP_BEGIN is only available on HIGHMEM.
    
    Signed-off-by: Ingo Molnar <mingo@...e.hu>

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 776c0fb..3da6acb 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1124,7 +1124,9 @@ static void xen_set_fixmap(unsigned idx, unsigned long phys, pgprot_t prot)
 #ifdef CONFIG_X86_32
 	case FIX_WP_TEST:
 	case FIX_VDSO:
+# ifdef CONFIG_HIGHMEM
 	case FIX_KMAP_BEGIN ... FIX_KMAP_END:
+# endif
 #else
 	case VSYSCALL_LAST_PAGE ... VSYSCALL_FIRST_PAGE:
 #endif
--
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