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SubjectRe: [PATCH 2/2] mm,migration: Avoid race between shift_arg_pages() and rmap_walk() during migration by not migrating temporary stacks
On 04/30/2010 03:22 PM, Andrea Arcangeli wrote:
> I'm building a mergeable THP+memory compaction tree ready for mainline
> merging based on new anon-vma code, so I'm integrating your patch1 and
> this below should be the port of my alternate fix to your patch2 to
> fix the longstanding crash in migrate (not a bug in new anon-vma code
> but longstanding). patch1 is instead about the bugs introduced by the
> new anon-vma code that might crash migrate (even without memory
> compaction and/or THP) the same way as the bug fixed by the below.
> ==
> Subject: fix race between shift_arg_pages and rmap_walk
> From: Andrea Arcangeli<>

Reviewed-by: Rik van Riel <>

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