[Xen-changelog] Use native value for SPLIT_PTLOCK_CPUS except on xen/x86.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 47442d409d8e5b07ee7b530a64edfbfde912db91
# Parent  e1409c2ace46afd67b54de1f5c0b2b6d3721ca3b
Use native value for SPLIT_PTLOCK_CPUS except on xen/x86.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

diff -r e1409c2ace46 -r 47442d409d8e linux-2.6-xen-sparse/mm/Kconfig
--- a/linux-2.6-xen-sparse/mm/Kconfig   Wed May 03 10:56:19 2006 +0100
+++ b/linux-2.6-xen-sparse/mm/Kconfig   Wed May 03 10:58:43 2006 +0100
@@ -126,14 +126,14 @@ comment "Memory hotplug is currently inc
 # Default to 4 for wider testing, though 8 might be more appropriate.
 # ARM's adjust_pte (unused if VIPT) depends on mm-wide page_table_lock.
 # PA-RISC 7xxx's spinlock_t would enlarge struct page from 32 to 44 bytes.
-# XEN uses the mapping field on pagetable pages to store a pointer to
-# the destructor.
+# XEN on x86 architecture uses the mapping field on pagetable pages to store a
+# pointer to the destructor. This conflicts with pte_lock_deinit().
 #
 config SPLIT_PTLOCK_CPUS
        int
        default "4096" if ARM && !CPU_CACHE_VIPT
        default "4096" if PARISC && !PA20
-       default "4096" if XEN
+       default "4096" if X86_XEN || X86_64_XEN
        default "4"
 
 #

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