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kcore: register module area in generic way

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Some archs define MODULED_VADDR/MODULES_END which is not in VMALLOC area.
This is handled only in x86-64.  This patch make it more generic.  And we
can use vread/vwrite to access the area.  Fix it.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
KAMEZAWA Hiroyuki 2009-09-22 16:45:49 -07:00 • committed by Linus Torvalds
commit 81ac3ad906
4 changed files with 28 additions and 5 deletions
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8
include/linux/mm.h
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@ -285,6 +285,14 @@ static inline int is_vmalloc_addr(const void *x)
return 0;
#endif
}
#ifdef CONFIG_MMU
extern int is_vmalloc_or_module_addr(const void *x);
#else
static int is_vmalloc_or_module_addr(const void *x)
{
return 0;
}
#endif
static inline struct page *compound_head(struct page *page)
{