diff options
| author | Hou Wenlong <houwenlong.hwl@antgroup.com> | 2023-07-12 11:30:05 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-10-16 13:38:24 +0200 |
| commit | dc6283009016acd5a8c6a6c073506d82bbc55529 (patch) | |
| tree | 925a81af77b326c0fe1f837f3e3e40a6998dc603 /arch/x86/kernel/head64.c | |
| parent | 9f76d606269be7bd1ee5942b7c9c21bb0b43825f (diff) | |
x86/head/64: Mark 'startup_gdt[]' and 'startup_gdt_descr' as __initdata
As 'startup_gdt[]' and 'startup_gdt_descr' are only used in booting,
mark them as __initdata to allow them to be freed after boot.
Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/c85903a7cfad37d14a7e5a4df9fc7119a3669fb3.1689130310.git.houwenlong.hwl@antgroup.com
Diffstat (limited to 'arch/x86/kernel/head64.c')
| -rw-r--r-- | arch/x86/kernel/head64.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index d6ca9c5c3da4..f41625de9442 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -69,7 +69,7 @@ EXPORT_SYMBOL(vmemmap_base); /* * GDT used on the boot CPU before switching to virtual addresses. */ -static struct desc_struct startup_gdt[GDT_ENTRIES] = { +static struct desc_struct startup_gdt[GDT_ENTRIES] __initdata = { [GDT_ENTRY_KERNEL32_CS] = GDT_ENTRY_INIT(0xc09b, 0, 0xfffff), [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xa09b, 0, 0xfffff), [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc093, 0, 0xfffff), @@ -79,7 +79,7 @@ static struct desc_struct startup_gdt[GDT_ENTRIES] = { * Address needs to be set at runtime because it references the startup_gdt * while the kernel still uses a direct mapping. */ -static struct desc_ptr startup_gdt_descr = { +static struct desc_ptr startup_gdt_descr __initdata = { .size = sizeof(startup_gdt)-1, .address = 0, }; |