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[PATCH v3 2.6.39-rc1-tip 1/26] 1: mm: replace_page() loses static attribute
- From: Srikar Dronamraju <srikar at linux dot vnet dot ibm dot com>
- To: Peter Zijlstra <peterz at infradead dot org>, Ingo Molnar <mingo at elte dot hu>
- Cc: Steven Rostedt <rostedt at goodmis dot org>, Srikar Dronamraju <srikar at linux dot vnet dot ibm dot com>, Linux-mm <linux-mm at kvack dot org>, Arnaldo Carvalho de Melo <acme at infradead dot org>, Linus Torvalds <torvalds at linux-foundation dot org>, Andi Kleen <andi at firstfloor dot org>, Christoph Hellwig <hch at infradead dot org>, Jonathan Corbet <corbet at lwn dot net>, Thomas Gleixner <tglx at linutronix dot de>, Masami Hiramatsu <masami dot hiramatsu dot pt at hitachi dot com>, Oleg Nesterov <oleg at redhat dot com>, LKML <linux-kernel at vger dot kernel dot org>, SystemTap <systemtap at sources dot redhat dot com>, Jim Keniston <jkenisto at linux dot vnet dot ibm dot com>, Roland McGrath <roland at hack dot frob dot com>, Ananth N Mavinakayanahalli <ananth at in dot ibm dot com>, Andrew Morton <akpm at linux-foundation dot org>
- Date: Fri, 01 Apr 2011 20:02:38 +0530
- Subject: [PATCH v3 2.6.39-rc1-tip 1/26] 1: mm: replace_page() loses static attribute
- References: <20110401143223.15455.19844.sendpatchset@localhost6.localdomain6>
User bkpt will use background page replacement approach to insert/delete
breakpoints. Background page replacement approach is based on
replace_page. Hence replace_page() loses its static attribute.
This is a precursor to moving replace_page() to mm/memory.c
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
---
include/linux/mm.h | 2 ++
mm/ksm.c | 2 +-
2 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 7606d7d..089bda4 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1008,6 +1008,8 @@ void account_page_writeback(struct page *page);
int set_page_dirty(struct page *page);
int set_page_dirty_lock(struct page *page);
int clear_page_dirty_for_io(struct page *page);
+int replace_page(struct vm_area_struct *vma, struct page *page,
+ struct page *kpage, pte_t orig_pte);
/* Is the vma a continuation of the stack vma above it? */
static inline int vma_stack_continue(struct vm_area_struct *vma, unsigned long addr)
diff --git a/mm/ksm.c b/mm/ksm.c
index 1bbe785..f444158 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -760,7 +760,7 @@ out:
*
* Returns 0 on success, -EFAULT on failure.
*/
-static int replace_page(struct vm_area_struct *vma, struct page *page,
+int replace_page(struct vm_area_struct *vma, struct page *page,
struct page *kpage, pte_t orig_pte)
{
struct mm_struct *mm = vma->vm_mm;