linux-kernel - [Patch 4/7] ia64: implement crashkernel=auto

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Date:	Thu, 6 Aug 2009 02:19:50 -0400
From:	Amerigo Wang <amwang@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	tony.luck@...el.com, linux-ia64@...r.kernel.org,
	Neil Horman <nhorman@...hat.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Andi Kleen <andi@...stfloor.org>,
	Amerigo Wang <amwang@...hat.com>, akpm@...ux-foundation.org,
	Fenghua Yu <fenghua.yu@...el.com>, Ingo Molnar <mingo@...e.hu>,
	Anton Vorontsov <avorontsov@...mvista.com>
Subject: [Patch 4/7] ia64: implement crashkernel=auto


Since in patch 2/7 we already implement the generic part, this will
add the rest part for ia64.

Signed-off-by: WANG Cong <amwang@...hat.com>

---

Index: linux-2.6/arch/ia64/include/asm/kexec.h
===================================================================
--- linux-2.6.orig/arch/ia64/include/asm/kexec.h
+++ linux-2.6/arch/ia64/include/asm/kexec.h
@@ -19,6 +19,14 @@
                 flush_icache_range(page_addr, page_addr + PAGE_SIZE); \
         } while(0)
 
+#ifdef CONFIG_KEXEC_AUTO_RESERVE
+#ifdef KEXEC_AUTO_RESERVED_SIZE
+#undef KEXEC_AUTO_RESERVED_SIZE
+#endif
+#define KEXEC_AUTO_RESERVED_SIZE (1ULL<<28) /* 256M */
+#include <asm-generic/kexec.h>
+#endif
+
 extern struct kimage *ia64_kimage;
 extern const unsigned int relocate_new_kernel_size;
 extern void relocate_new_kernel(unsigned long, unsigned long,
--
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