Messages in this thread | | | Date | Tue, 20 May 2014 00:20:57 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH] mm/vmscan: Do not block forever at shrink_inactive_list(). |
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On Mon, May 19, 2014 at 10:59:15PM -0700, Andrew Morton wrote: > So current_is_kswapd() returns true for a thread which is not kswapd. > That's a bit smelly. > > Should this thread really be incrementing KSWAPD_INODESTEAL instead of > PGINODESTEAL, for example? current_is_kswapd() does a range of things, > only one(?) of which you actually want.
Actually we want all of them. The allocation workqueue is a workaround for the incredible stack usage in the Linux I/O path. If it is called by kswapd it should act as if it were kswapd for all purposes.
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