When allocating a new pud, unconditionally populate the pgd (why did
we bother to create a new pud if we weren't going to populate it?).

This will only happen if the pgd slot was empty, since any existing
pud will be reused.

Signed-off-by: Jeremy Fitzhardinge
arch/x86/mm/init_64.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -549,9 +549,8 @@

last_map_addr = phys_pud_init(pud, __pa(start), __pa(next));
- if (!after_bootmem)
- pgd_populate(&init_mm, pgd_offset_k(start),
- __va(pud_phys));
+ pgd_populate(&init_mm, pgd_offset_k(start),
+ __va(pud_phys));

if (!after_bootmem)

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