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include/linux/highmem.h needs hardirq.h

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Commit 3e4d3af501 ("mm: stack based kmap_atomic()") introduced the
kmap_atomic_idx_push() function which warns on in_irq() with
CONFIG_DEBUG_HIGHMEM enabled.  This patch includes linux/hardirq.h for
the in_irq definition.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Catalin Marinas 2010-11-11 14:05:10 -08:00 committed by Linus Torvalds
parent 3f9d35b951
commit 43b3a0c732
1 changed files with 1 additions and 0 deletions
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include/linux/highmem.h
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@ -5,6 +5,7 @@
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/uaccess.h>
#include <linux/hardirq.h>
#include <asm/cacheflush.h>