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Assume that pmap_l1() will return a PTE.

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pmaps on RISC-V always have an L1 page table page, so we don't need to
check for this when performing lookups.

Reviewed by:	jhb
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D18563
This commit is contained in:
Mark Johnston 2018-12-14 21:03:01 +00:00
parent 01cd6fba6c
commit 4f86ff4e47
1 changed files with 0 additions and 2 deletions
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2
sys/riscv/riscv/pmap.c
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@ -316,8 +316,6 @@ pmap_l2(pmap_t pmap, vm_offset_t va)
pd_entry_t *l1;
l1 = pmap_l1(pmap, va);
if (l1 == NULL)
return (NULL);
if ((pmap_load(l1) & PTE_V) == 0)
return (NULL);
if ((pmap_load(l1) & PTE_RX) != 0)