Re: [patch v2 1/5] mm: add nofail variants of kmalloc kcalloc and kzalloc

David Rientjes
2010-09-06T09:05:34Z

On Wed, 1 Sep 2010, David Rientjes wrote:

> Add kmalloc_nofail(), kcalloc_nofail(), and kzalloc_nofail(). These
> functions are equivalent to kmalloc(), kcalloc(), and kzalloc(),
> respectively, except that they will never return NULL and instead loop
> forever trying to allocate memory.
>
> If the first allocation attempt fails because the page allocator doesn't
> implicitly loop, a warning will be emitted, including a call trace.
> Subsequent failures will suppress this warning.
>
> These were added as helper functions for documentation and auditability.
> No future callers should be added.
>

Are there any objections to merging this series through -mm with the
exception of the fifth patch for ntfs? That particular patch needs to
have its WARN_ON_ONCE() condition rewritten since it fallbacks to
vmalloc for high order allocs.

Thanks.