COPY_OLDMEM_PAGE
Section: (9)
Updated: 09 October 2005
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NAME
copy_oldmem_page - copy one page from ``oldmem''
SYNOPSIS
"SYNOPSIS"
ssize_t copy_oldmem_page (unsigned long pfn, char * buf, size_t csize, unsigned long offset, int userbuf);
ARGUMENTS
- pfn
-
page frame number to be copied
- buf
-
target memory address for the copy; this can be in kernel address
space or user address space (see userbuf)
- csize
-
number of bytes to copy
- offset
-
offset in bytes into the page (based on pfn) to begin the copy
- userbuf
-
if set, buf is in user address space, use copy_to_user,
otherwise buf is in kernel address space, use memcpy.
DESCRIPTION
Copy a page from ``oldmem''. For this page, there is no pte mapped
in the current kernel. We stitch up a pte, similar to kmap_atomic.
Index
- NAME
-
- SYNOPSIS
-
- ARGUMENTS
-
- DESCRIPTION
-
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Time: 00:02:01 GMT, October 09, 2005