From a03352d2c1dcb00970801fb8b800a39acd3103d9 Mon Sep 17 00:00:00 2001 From: Bruce Allan Date: Mon, 29 Sep 2008 20:19:22 -0700 Subject: [PATCH] x86: export set_memory_ro and set_memory_rw Export set_memory_ro() and set_memory_rw() calls for use by drivers that need to have more debug information about who might be writing to memory space. this was initially developed for use while debugging a memory corruption problem with e1000e. Signed-off-by: Bruce Allan Signed-off-by: Jesse Brandeburg Signed-off-by: Ingo Molnar --- arch/x86/mm/pageattr.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 43e2f8483e4..62c1eefcce0 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -906,11 +906,13 @@ int set_memory_ro(unsigned long addr, int numpages) { return change_page_attr_clear(addr, numpages, __pgprot(_PAGE_RW)); } +EXPORT_SYMBOL_GPL(set_memory_ro); int set_memory_rw(unsigned long addr, int numpages) { return change_page_attr_set(addr, numpages, __pgprot(_PAGE_RW)); } +EXPORT_SYMBOL_GPL(set_memory_rw); int set_memory_np(unsigned long addr, int numpages) {