[PATCH v2 2/9] xen/arm32: mm: Rework is_xen_heap_page to avoid nameclash

[Julien Grall <julien.grall@linaro.org>]

The arm32 version of the function is_xen_heap_page currently define a
variable _mfn. This will lead to a compiler when use typesafe MFN in a
folow-up patch:

called object '_mfn' is not a function or function pointer

Fix it by renaming the local variable _mfn to mfn_.

Signed-off-by: Julien Grall <julien.grall@linaro.org>

---

Cc: Stefano Stabellini <sstabellini@kernel.org>
---
 xen/include/asm-arm/mm.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/xen/include/asm-arm/mm.h b/xen/include/asm-arm/mm.h
index cd6dfb54b9..737a429409 100644
--- a/xen/include/asm-arm/mm.h
+++ b/xen/include/asm-arm/mm.h
@@ -140,9 +140,9 @@ extern vaddr_t xenheap_virt_start;
 #ifdef CONFIG_ARM_32
 #define is_xen_heap_page(page) is_xen_heap_mfn(page_to_mfn(page))
 #define is_xen_heap_mfn(mfn) ({                                 \
-    unsigned long _mfn = (mfn);                                 \
-    (_mfn >= mfn_x(xenheap_mfn_start) &&                        \
-     _mfn < mfn_x(xenheap_mfn_end));                            \
+    unsigned long mfn_ = (mfn);                                 \
+    (mfn_ >= mfn_x(xenheap_mfn_start) &&                        \
+     mfn_ < mfn_x(xenheap_mfn_end));                            \
 })
 #else
 #define is_xen_heap_page(page) ((page)->count_info & PGC_xen_heap)
-- 
2.11.0


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