add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/alpha/kernel/pci-noop.c
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@@ -7,7 +7,7 @@
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 #include <linux/pci.h>
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 #include <linux/init.h>
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-#include <linux/bootmem.h>
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+#include <linux/memblock.h>
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 #include <linux/gfp.h>
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 #include <linux/capability.h>
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 #include <linux/mm.h>
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@@ -33,7 +33,10 @@
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 {
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 	struct pci_controller *hose;
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-	hose = alloc_bootmem(sizeof(*hose));
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+	hose = memblock_alloc(sizeof(*hose), SMP_CACHE_BYTES);
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+	if (!hose)
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+		panic("%s: Failed to allocate %zu bytes\n", __func__,
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+		      sizeof(*hose));
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 	*hose_tail = hose;
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 	hose_tail = &hose->next;
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@@ -44,7 +47,13 @@
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 struct resource * __init
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 alloc_resource(void)
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 {
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-	return alloc_bootmem(sizeof(struct resource));
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+	void *ptr = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES);
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+
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+	if (!ptr)
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+		panic("%s: Failed to allocate %zu bytes\n", __func__,
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+		      sizeof(struct resource));
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+
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+	return ptr;
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 }
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 SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus,
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@@ -54,7 +63,7 @@
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 	/* from hose or from bus.devfn */
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 	if (which & IOBASE_FROM_HOSE) {
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-		for (hose = hose_head; hose; hose = hose->next) 
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+		for (hose = hose_head; hose; hose = hose->next)
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 			if (hose->index == bus)
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 				break;
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 		if (!hose)