Commit c8f8cca4 authored by Ard Biesheuvel's avatar Ard Biesheuvel Committed by Will Deacon
Browse files

arm64: ptdump: use static initializers for vmemmap region boundaries



There is no need to initialize the vmemmap region boundaries dynamically,
since they are compile time constants. So just add these constants to the
global struct initializer, and drop the dynamic assignment and related code.
Acked-by: default avatarMark Rutland <mark.rutland@arm.com>
Signed-off-by: default avatarArd Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 1dff8083
......@@ -32,37 +32,21 @@ struct addr_marker {
const char *name;
};
enum address_markers_idx {
MODULES_START_NR = 0,
MODULES_END_NR,
VMALLOC_START_NR,
VMALLOC_END_NR,
FIXADDR_START_NR,
FIXADDR_END_NR,
PCI_START_NR,
PCI_END_NR,
static const struct addr_marker address_markers[] = {
{ MODULES_VADDR, "Modules start" },
{ MODULES_END, "Modules end" },
{ VMALLOC_START, "vmalloc() Area" },
{ VMALLOC_END, "vmalloc() End" },
{ FIXADDR_START, "Fixmap start" },
{ FIXADDR_TOP, "Fixmap end" },
{ PCI_IO_START, "PCI I/O start" },
{ PCI_IO_END, "PCI I/O end" },
#ifdef CONFIG_SPARSEMEM_VMEMMAP
VMEMMAP_START_NR,
VMEMMAP_END_NR,
{ VMEMMAP_START, "vmemmap start" },
{ VMEMMAP_START + VMEMMAP_SIZE, "vmemmap end" },
#endif
KERNEL_SPACE_NR,
};
static struct addr_marker address_markers[] = {
{ MODULES_VADDR, "Modules start" },
{ MODULES_END, "Modules end" },
{ VMALLOC_START, "vmalloc() Area" },
{ VMALLOC_END, "vmalloc() End" },
{ FIXADDR_START, "Fixmap start" },
{ FIXADDR_TOP, "Fixmap end" },
{ PCI_IO_START, "PCI I/O start" },
{ PCI_IO_END, "PCI I/O end" },
#ifdef CONFIG_SPARSEMEM_VMEMMAP
{ 0, "vmemmap start" },
{ 0, "vmemmap end" },
#endif
{ PAGE_OFFSET, "Linear Mapping" },
{ -1, NULL },
{ PAGE_OFFSET, "Linear Mapping" },
{ -1, NULL },
};
/*
......@@ -347,13 +331,6 @@ static int ptdump_init(void)
for (j = 0; j < pg_level[i].num; j++)
pg_level[i].mask |= pg_level[i].bits[j].mask;
#ifdef CONFIG_SPARSEMEM_VMEMMAP
address_markers[VMEMMAP_START_NR].start_address =
(unsigned long)virt_to_page(PAGE_OFFSET);
address_markers[VMEMMAP_END_NR].start_address =
(unsigned long)virt_to_page(high_memory);
#endif
pe = debugfs_create_file("kernel_page_tables", 0400, NULL, NULL,
&ptdump_fops);
return pe ? 0 : -ENOMEM;
......
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