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SubjectRe: [PATCH 0/6 v3] kvmalloc
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On Thu, 2017-01-26 at 11:32 +0100, Michal Hocko wrote:
> So I have folded the following to the patch 1. It is in line with
> kvmalloc and hopefully at least tell more than the current code.
[]
> diff --git a/mm/vmalloc.c b/mm/vmalloc.c
[]
> @@ -1741,6 +1741,13 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
> * Allocate enough pages to cover @size from the page level
> * allocator with @gfp_mask flags. Map them into contiguous
> * kernel virtual space, using a pagetable protection of @prot.
> + *
> + * Reclaim modifiers in @gfp_mask - __GFP_NORETRY, __GFP_REPEAT
> + * and __GFP_NOFAIL are not supported

Maybe add a BUILD_BUG or a WARN_ON_ONCE to catch new occurrences?

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