49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
# HG changeset patch
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# User Ian Campbell <ian.campbell@xensource.com>
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# Date Wed Oct 25 13:58:30 2006 +0100
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# Node ID ac6e4405ab6c363eae43fd7384b7dca975e9e28e
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# parent: 4dcf172e699e094bc772baa66b9dc93083332941
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PV-on-HVM: Include compatability vmalloc_to_pfn for kernels before 2.6.10
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Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
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Signed-off-by: K. Y. Srinivasan <ksrinivasan@novell.com>
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Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
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--- a/unmodified_drivers/linux-2.6/compat-include/xen/platform-compat.h Wed Oct 25 13:58:30 2006 +0100
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+++ b/unmodified_drivers/linux-2.6/compat-include/xen/platform-compat.h Wed Oct 25 13:58:30 2006 +0100
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@@ -29,4 +29,8 @@
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#define nonseekable_open(inode, filp) /* Nothing to do */
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#endif
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+#if defined(_LINUX_MM_H) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
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+unsigned long vmalloc_to_pfn(void *addr);
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#endif
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+
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+#endif
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--- a/unmodified_drivers/linux-2.6/platform-pci/platform-compat.c Wed Oct 25 13:58:30 2006 +0100
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+++ b/unmodified_drivers/linux-2.6/platform-pci/platform-compat.c Wed Oct 25 13:58:30 2006 +0100
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@@ -1,6 +1,7 @@
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#include <linux/config.h>
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#include <linux/version.h>
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+#include <linux/mm.h>
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#include <linux/module.h>
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#include <xen/platform-compat.h>
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@@ -29,3 +30,14 @@ size_t strcspn(const char *s, const char
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}
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EXPORT_SYMBOL(strcspn);
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#endif
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+
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+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
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+/*
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+ * Map a vmalloc()-space virtual address to the physical page frame number.
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+ */
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+unsigned long vmalloc_to_pfn(void * vmalloc_addr)
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+{
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+ return page_to_pfn(vmalloc_to_page(vmalloc_addr));
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+}
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+EXPORT_SYMBOL(vmalloc_to_pfn);
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+#endif
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