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Diffstat (limited to 'arch/mips/kernel/setup.c')
-rw-r--r--arch/mips/kernel/setup.c30
1 files changed, 3 insertions, 27 deletions
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 185e0e42e009..f71a7d32a687 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -371,7 +371,6 @@ static void __init bootmem_init(void)
static void __init bootmem_init(void)
{
- unsigned long reserved_end;
phys_addr_t ramstart = PHYS_ADDR_MAX;
int i;
@@ -382,10 +381,10 @@ static void __init bootmem_init(void)
* will reserve the area used for the initrd.
*/
init_initrd();
- reserved_end = (unsigned long) PFN_UP(__pa_symbol(&_end));
- memblock_reserve(PHYS_OFFSET,
- (reserved_end << PAGE_SHIFT) - PHYS_OFFSET);
+ /* Reserve memory occupied by kernel. */
+ memblock_reserve(__pa_symbol(&_text),
+ __pa_symbol(&_end) - __pa_symbol(&_text));
/*
* max_low_pfn is not a number of pages. The number of pages
@@ -501,29 +500,6 @@ static void __init bootmem_init(void)
memory_present(0, start, end);
}
-#ifdef CONFIG_RELOCATABLE
- /*
- * The kernel reserves all memory below its _end symbol as bootmem,
- * but the kernel may now be at a much higher address. The memory
- * between the original and new locations may be returned to the system.
- */
- if (__pa_symbol(_text) > __pa_symbol(VMLINUX_LOAD_ADDRESS)) {
- unsigned long offset;
- extern void show_kernel_relocation(const char *level);
-
- offset = __pa_symbol(_text) - __pa_symbol(VMLINUX_LOAD_ADDRESS);
- memblock_free(__pa_symbol(VMLINUX_LOAD_ADDRESS), offset);
-
-#if defined(CONFIG_DEBUG_KERNEL) && defined(CONFIG_DEBUG_INFO)
- /*
- * This information is necessary when debugging the kernel
- * But is a security vulnerability otherwise!
- */
- show_kernel_relocation(KERN_INFO);
-#endif
- }
-#endif
-
/*
* Reserve initrd memory if needed.
*/