Re: Subject: [PATCH] net/ipv6: Use GFP_ATOMIC when a lock is held

[Eric Dumazet]

Le dimanche 30 mai 2010 Ã 23:09 +0200, Julia Lawall a Ãcrit :

> could exit with success without the kzalloc ever being called.  If the 
> kzalloc is moved up, it could fail and then it returns immediately without 
> executing the loop.  A solution could be to leave the NULL test on p where 
> it is, and only move up the kzalloc.  Or perhaps the change in behavior 
> doesn't matter?

If a GFP_KERNEL allocation fails, we are in a big trouble anyway :)

GFP_ATOMIC are more problematic in this area :)



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