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Remove an unneeded memset from the arm64 pmap

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There is no need to zero pagetable_dmap as we already did it when
creating the page tables in locore.S

Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Andrew Turner 2022-03-10 19:13:49 +00:00
parent ba3b602001
commit 5055ffaeba
1 changed files with 0 additions and 3 deletions
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3
sys/arm64/arm64/pmap.c
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@ -867,9 +867,6 @@ pmap_bootstrap_dmap(vm_offset_t kern_l1, vm_paddr_t min_pa,
l2 = NULL;
prev_l1_slot = -1;
#define DMAP_TABLES ((DMAP_MAX_ADDRESS - DMAP_MIN_ADDRESS) >> L0_SHIFT)
memset(pagetable_dmap, 0, PAGE_SIZE * DMAP_TABLES);
for (i = 0; i < (physmap_idx * 2); i += 2) {
pa = physmap[i] & ~L2_OFFSET;
va = pa - dmap_phys_base + DMAP_MIN_ADDRESS;