HWPOISON: soft offlining for non-lru movable page

[linux-2.6-block.git] / mm / usercopy.c

diff --git a/mm/usercopy.c b/mm/usercopy.c
index 3c8da0af96959387e9bb1d2c0bfe272334344e26..8345299e3e3b08e617f425ae18050a794b50b5e4 100644 (file)
--- a/mm/usercopy.c
+++ b/mm/usercopy.c
@@ -108,13 +108,13 @@ 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>";