Re: [PATCH v11 1/7] mm: adjustaddress_space_operations.migratepage() return code

[Andrew Morton]

On Wed,  7 Nov 2012 01:05:48 -0200
Rafael Aquini <aquini@xxxxxxxxxx> wrote:

> This patch introduces MIGRATEPAGE_SUCCESS as the default return code
> for address_space_operations.migratepage() method and documents the
> expected return code for the same method in failure cases.

I hit a large number of rejects applying this against linux-next.  Due
to the increasingly irritating sched/numa code in there.

I attempted to fix it up and also converted some (but not all) of the
implicit tests of `rc' against zero.

Please check the result very carefully - more changes will be needed.

All those

-	if (rc)
+	if (rc != MIGRATEPAGE_SUCCESS)

changes are a pain.  Perhaps we shouldn't bother.
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