On 08/24/2015 02:09 PM, Mel Gorman wrote:
__GFP_WAIT was used to signal that the caller was in atomic context and
could not sleep. Now it is possible to distinguish between true atomic
context and callers that are not willing to sleep. The latter should clear
__GFP_DIRECT_RECLAIM so kswapd will still wake. As clearing __GFP_WAIT
behaves differently, there is a risk that people will clear the wrong
flags. This patch renames __GFP_WAIT to __GFP_RECLAIM to clearly indicate
what it does -- setting it allows all reclaim activity, clearing them
prevents it.
Signed-off-by: Mel Gorman <mgor...@techsingularity.net>
Acked-by: Michal Hocko <mho...@suse.com>
Acked-by: Vlastimil Babka <vba...@suse.cz>
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