x86/mm/64: Update comment in preallocate_vmalloc_pages()

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The comment explaining why 4-level systems only need to allocate on
the P4D level caused some confustion. Update it to better explain why
on 4-level systems the allocation on PUD level is necessary.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200814151947.26229-3-joro@8bytes.org

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Joerg Roedel 2020-08-14 17:19:47 +02:00 • committed by Ingo Molnar

parent 58a18fe95e

commit 7a27ef5e83

1 changed files with 10 additions and 5 deletions

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arch/x86/mm/init_64.c

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