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SubjectRe: [PATCH] arm64: define __alloc_zeroed_user_highpage
On Thu, Mar 12, 2020 at 04:59:20PM +0100, wrote:
> When running the kernel with init_on_alloc=1, calling the default
> implementation of __alloc_zeroed_user_highpage() from include/linux/highmem.h
> leads to double-initialization of the allocated page (first by the page
> allocator, then by clear_user_page().
> Calling alloc_page_vma() with __GFP_ZERO, similarly to e.g. x86, seems
> to be enough to ensure the user page is zeroed only once.
> Signed-off-by: Alexander Potapenko <>

I queued this for 5.7. Thanks.


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