And for anyone who's interested, below are the changes which I made to
the original skas patch.
Jeff
--
Work email - jdike at linux dot intel dot com
Index: linux-2.6-host/include/linux/mm.h
===================================================================
--- linux-2.6-host.orig/include/linux/mm.h 2007-12-07 00:37:20.000000000
-0500
+++ linux-2.6-host/include/linux/mm.h 2007-12-07 22:53:15.000000000 -0500
@@ -1077,8 +1077,8 @@ static inline unsigned long do_mmap_pgof
return __do_mmap_pgoff(current->mm, file, addr, len, prot, flag, pgoff);
}
-extern unsigned long mmap_region(struct file *file, unsigned long addr,
- unsigned long len, unsigned long flags,
+extern unsigned long mmap_region(struct mm_struct *mm, struct file *file,
+ unsigned long addr, unsigned long len, unsigned long flags,
unsigned int vm_flags, unsigned long pgoff,
int accountable);
Index: linux-2.6-host/mm/fremap.c
===================================================================
--- linux-2.6-host.orig/mm/fremap.c 2007-12-07 00:36:08.000000000 -0500
+++ linux-2.6-host/mm/fremap.c 2007-12-07 22:54:54.000000000 -0500
@@ -190,8 +190,9 @@ asmlinkage long sys_remap_file_pages(uns
unsigned long addr;
flags &= MAP_NONBLOCK;
- addr = mmap_region(vma->vm_file, start, size,
- flags, vma->vm_flags, pgoff, 1);
+ addr = mmap_region(current->mm, vma->vm_file, start,
+ size, flags, vma->vm_flags, pgoff,
+ 1);
if (IS_ERR_VALUE(addr)) {
err = addr;
} else {
Index: linux-2.6-host/mm/mmap.c
===================================================================
--- linux-2.6-host.orig/mm/mmap.c 2007-12-07 00:37:20.000000000 -0500
+++ linux-2.6-host/mm/mmap.c 2007-12-07 22:55:26.000000000 -0500
@@ -1023,7 +1023,7 @@ unsigned long __do_mmap_pgoff(struct mm_
if (error)
return error;
- return mmap_region(file, addr, len, flags, vm_flags, pgoff,
+ return mmap_region(mm, file, addr, len, flags, vm_flags, pgoff,
accountable);
}
EXPORT_SYMBOL(__do_mmap_pgoff);
@@ -1062,12 +1062,12 @@ int vma_wants_writenotify(struct vm_area
}
-unsigned long mmap_region(struct file *file, unsigned long addr,
+unsigned long mmap_region(struct mm_struct *mm,
+ struct file *file, unsigned long addr,
unsigned long len, unsigned long flags,
unsigned int vm_flags, unsigned long pgoff,
int accountable)
{
- struct mm_struct *mm = current->mm;
struct vm_area_struct *vma, *prev;
int correct_wcount = 0;
int error;
Index: linux-2.6-host/mm/proc_mm.c
===================================================================
--- linux-2.6-host.orig/mm/proc_mm.c 2007-12-07 16:21:06.000000000 -0500
+++ linux-2.6-host/mm/proc_mm.c 2007-12-07 16:22:07.000000000 -0500
@@ -209,7 +209,7 @@ struct mm_struct *proc_mm_get_mm(int fd)
goto out;
ret = ERR_PTR(-EINVAL);
- if(file->f_op != &proc_mm_fops)
+ if(PDE(file->f_path.dentry->d_inode)->proc_fops != &proc_mm_fops)
goto out_fput;
ret = file->private_data;
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