On 01/30/2015 09:23 PM, Guenter Roeck wrote:
Commit bcd022801ee5 ("MIPS: Fix COW D-cache aliasing on fork") replaced
the inline function copy_user_page for mips with an external reference,
but neglected to introduce the actual non-inline function. Restore it.
Fixes: bcd022801ee5 ("MIPS: Fix COW D-cache aliasing on fork")
Fixes: 4927b7d77c00 ("dax,ext2: replace the XIP page fault handler with the DAX page
fault handler")
Cc: Atsushi Nemoto <an...@mba.ocn.ne.jp>
Cc: Matthew Wilcox <matthew.r.wil...@intel.com>
Signed-off-by: Guenter Roeck <li...@roeck-us.net>
Why do you use copy_user_page?
It doesn't work properly in HIGHMEM environment and it is excluded from
MIPS because of that, I believe.
You should use copy_user_highpage() for user pages.
- Leonid.
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