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Cache the result from fdtbus_get_data() in fdt_memory_remove_reserved 

NFCI.
This commit is contained in:
skrll 2024-01-12 18:06:18 +00:00
parent 1377ad26ec
commit 13ecc471ce
1 changed files with 6 additions and 5 deletions
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11
sys/dev/fdt/fdt_memory.c
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@ -1,4 +1,4 @@
/* $NetBSD: fdt_memory.c,v 1.8 2022/11/04 10:51:16 jmcneill Exp $ */
/* $NetBSD: fdt_memory.c,v 1.9 2024/01/12 18:06:18 skrll Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@ -32,7 +32,7 @@
#include "opt_fdt.h"
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: fdt_memory.c,v 1.8 2022/11/04 10:51:16 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: fdt_memory.c,v 1.9 2024/01/12 18:06:18 skrll Exp $");
#include <sys/param.h>
#include <sys/queue.h>
@ -110,15 +110,16 @@ fdt_memory_remove_reserved(uint64_t min_addr, uint64_t max_addr)
{
uint64_t lstart = 0, lend = 0;
int index, error, phandle, child;
const void *fdt_data = fdtbus_get_data();
const int num = fdt_num_mem_rsv(fdt_data);
const int num = fdt_num_mem_rsv(fdtbus_get_data());
for (index = 0; index <= num; index++) {
uint64_t addr, size;
error = fdt_get_mem_rsv(fdtbus_get_data(), index,
&addr, &size);
error = fdt_get_mem_rsv(fdt_data, index, &addr, &size);
if (error != 0)
continue;
if (lstart <= addr && addr <= lend) {
size -= (lend - addr);
addr = lend;