lkml.org 
[lkml]   [2011]   [Feb]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 01/10] Make exec_mmap extern
Date
From: Nathan Lynch <ntl@pobox.com>

Restoration of process state from a checkpoint image is similar to
exec in that the calling task's mm is replaced. Make exec_mmap
available for this purpose.

Signed-off-by: Oren Laadan <orenl@cs.columbia.edu>
[ntl: extracted from Oren's "c/r: dump memory address space (private memory)"]
Signed-off-by: Nathan Lynch <ntl@pobox.com>
---
fs/exec.c | 2 +-
include/linux/mm.h | 3 +++
2 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index c62efcb..9d8c27a 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -767,7 +767,7 @@ int kernel_read(struct file *file, loff_t offset,

EXPORT_SYMBOL(kernel_read);

-static int exec_mmap(struct mm_struct *mm)
+int exec_mmap(struct mm_struct *mm)
{
struct task_struct *tsk;
struct mm_struct * old_mm, *active_mm;
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 721f451..5397237 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1321,6 +1321,9 @@ extern int do_munmap(struct mm_struct *, unsigned long, size_t);

extern unsigned long do_brk(unsigned long, unsigned long);

+/* fs/exec.c */
+extern int exec_mmap(struct mm_struct *mm);
+
/* filemap.c */
extern unsigned long page_unuse(struct page *);
extern void truncate_inode_pages(struct address_space *, loff_t);
--
1.7.4


\
 
 \ /
  Last update: 2011-03-01 00:51    [W:0.108 / U:0.996 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site