Re: [PATCH -V1 15/24] mm/THP: HPAGE_SHIFT is not a #define on some arch

[Hillf Danton]

Hello Aneesh

[with lkml cced]

>-#if HPAGE_PMD_ORDER > MAX_ORDER
>-#error "hugepages can't be allocated by the buddy allocator"
>-#endif
...
>-	if (!has_transparent_hugepage()) {
>+	if (!has_transparent_hugepage() || (HPAGE_PMD_ORDER > MAX_ORDER)) {
> 		transparent_hugepage_flags = 0;
> 		return -EINVAL;
> 	}

Fair for other archs that support THP, if you are changing
build error to runtime error?
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