diff options
| author | David Rientjes <[email protected]> | 2015-04-14 15:46:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2015-04-14 16:49:03 -0700 |
| commit | b360edb43f8ed50aa7b8c9aae7d7557a1a6e32c8 (patch) | |
| tree | 67e4b5c902c5a965590047e573bfaa534904efbd /drivers/mtd/lpddr/lpddr_cmds.c | |
| parent | 3cb29d11174f29b76addcba4374884b14f8ea4b1 (diff) | |
mm, mempolicy: migrate_to_node should only migrate to node
migrate_to_node() is intended to migrate a page from one source node to
a target node.
Today, migrate_to_node() could end up migrating to any node, not only
the target node. This is because the page migration allocator,
new_node_page() does not pass __GFP_THISNODE to
alloc_pages_exact_node(). This causes the target node to be preferred
but allows fallback to any other node in order of affinity.
Prevent this by allocating with __GFP_THISNODE. If memory is not
available, -ENOMEM will be returned as appropriate.
Signed-off-by: David Rientjes <[email protected]>
Reviewed-by: Naoya Horiguchi <[email protected]>
Cc: Mel Gorman <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'drivers/mtd/lpddr/lpddr_cmds.c')
0 files changed, 0 insertions, 0 deletions