diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-03-14 15:07:33 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-03-14 15:07:33 +0100 |
| commit | b70366e5d31788650b2a5cec5cd13ea80ac7e44a (patch) | |
| tree | d972ffd190111d699200448494fda333d28b2486 /mm/usercopy.c | |
| parent | f42e181935d5e5670c87d31ae48063a495bbacae (diff) | |
| parent | db6ccf23e8ba40fc2e8914ec9c0eb950df71d9fe (diff) | |
Merge tag 'doc-4.11-images' of git://git.lwn.net/linux into drm-misc-next
Pointer for Markus's image conversion work.
We need this so we can merge all the pretty drm graphs for 4.12.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'mm/usercopy.c')
| -rw-r--r-- | mm/usercopy.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/usercopy.c b/mm/usercopy.c index 3c8da0af9695..d155e12563b1 100644 --- a/mm/usercopy.c +++ b/mm/usercopy.c @@ -16,6 +16,9 @@ #include <linux/mm.h> #include <linux/slab.h> +#include <linux/sched.h> +#include <linux/sched/task.h> +#include <linux/sched/task_stack.h> #include <asm/sections.h> enum { @@ -108,13 +111,13 @@ static inline const char *check_kernel_text_object(const void *ptr, * __pa() is not just the reverse of __va(). This can be detected * and checked: */ - textlow_linear = (unsigned long)__va(__pa(textlow)); + textlow_linear = (unsigned long)lm_alias(textlow); /* No different mapping: we're done. */ if (textlow_linear == textlow) return NULL; /* Check the secondary mapping... */ - texthigh_linear = (unsigned long)__va(__pa(texthigh)); + texthigh_linear = (unsigned long)lm_alias(texthigh); if (overlaps(ptr, n, textlow_linear, texthigh_linear)) return "<linear kernel text>"; |