Messages in this thread | | | Date | Wed, 8 Feb 2006 15:54:15 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: Terminate process that fails on a constrained allocation |
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On Wed, 8 Feb 2006, Andrew Morton wrote:
> > If a caller cannot handle NULL then __GFP_NOFAIL has to be set, right? > > That would assume non-buggy code. I'm talking about the exercising of > hitherto-unused codepaths. We've fixed many, many pieces of code which > simply assumed that kmalloc(GFP_KERNEL) succeeds. I doubt if many such > simple bugs still exist, but there will be more subtle ones in there.
We could add __GFP_NOFAIL to kmem_getpages in slab.c to insure that kmalloc waits rather than return NULL. Also a too drastic measure right?
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