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get rid of separate multipage fault-in primitives

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* the only remaining callers of "short" fault-ins are just as happy with generic
variants (both in lib/iov_iter.c); switch them to multipage variants, kill the
"short" ones
* rename the multipage variants to now available plain ones.
* get rid of compat macro defining iov_iter_fault_in_multipage_readable by
expanding it in its only user.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2016-09-17 18:02:44 -04:00
parent 08895a8b6b
commit 4bce9f6ee8
7 changed files with 9 additions and 61 deletions
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drivers/gpu/drm/i915/i915_gem_execbuffer.c
+1 -1
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@@ -1048,7 +1048,7 @@ validate_exec_list(struct drm_device *dev,
return -EFAULT;
if (likely(!i915.prefault_disable)) {
if (fault_in_multipages_readable(ptr, length))
if (fault_in_pages_readable(ptr, length))
return -EFAULT;
}
}