Re: [PATCH v2 2/7] mm/migrate: correct failure handling if!hugepage_migration_support()

[Christoph Lameter]

On Mon, 9 Dec 2013, Joonsoo Kim wrote:

> We should remove the page from the list if we fail without ENOSYS,
> since migrate_pages() consider error cases except -ENOMEM and -EAGAIN
> as permanent failure and it assumes that the page would be removed from
> the list. Without this patch, we could overcount number of failure.

Ok what does the patch do about this? I dont see any modifications. Remove
this part of the description?

> In addition, we should put back the new hugepage if
> !hugepage_migration_support(). If not, we would leak hugepage memory.

Ok looks like that is fixed by this patch.

Acked-by: Christoph Lameter <cl@xxxxxxxxx>
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