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Subject[PATCH] remove bogus #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT for debug_kmap_atomic()
Date
In f4112de6b679d84bd9b9681c7504be7bdfb7c7d5 I said that debug_kmap_atomic()
needs CONFIG_TRACE_IRQFLAGS_SUPPORT.

It was wrong. (I thought irqs_disabled() is only available when
the architecture has CONFIG_TRACE_IRQFLAGS_SUPPORT)

Remove the #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT check to enable
kmap_atomic() debugging for the architectures which do not have
CONFIG_TRACE_IRQFLAGS_SUPPORT.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
---
include/linux/highmem.h | 2 +-
mm/highmem.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 74152c0..caafd05 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -27,7 +27,7 @@ static inline void invalidate_kernel_vmap_range(void *vaddr, int size)

#include <asm/kmap_types.h>

-#if defined(CONFIG_DEBUG_HIGHMEM) && defined(CONFIG_TRACE_IRQFLAGS_SUPPORT)
+#ifdef CONFIG_DEBUG_HIGHMEM

void debug_kmap_atomic(enum km_type type);

diff --git a/mm/highmem.c b/mm/highmem.c
index bed8a8b..66baa20 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -422,7 +422,7 @@ void __init page_address_init(void)

#endif /* defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL) */

-#if defined(CONFIG_DEBUG_HIGHMEM) && defined(CONFIG_TRACE_IRQFLAGS_SUPPORT)
+#ifdef CONFIG_DEBUG_HIGHMEM

void debug_kmap_atomic(enum km_type type)
{
--
1.6.0.6


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