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Diffstat (limited to 'arch/arm64/mm/init.c')
-rw-r--r--arch/arm64/mm/init.c42
1 files changed, 6 insertions, 36 deletions
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 124be28e4e16..7205a9085b4d 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -63,24 +63,6 @@ EXPORT_SYMBOL(memstart_addr);
phys_addr_t arm64_dma_phys_limit __ro_after_init;
-#ifdef CONFIG_BLK_DEV_INITRD
-static int __init early_initrd(char *p)
-{
- unsigned long start, size;
- char *endp;
-
- start = memparse(p, &endp);
- if (*endp == ',') {
- size = memparse(endp + 1, NULL);
-
- initrd_start = start;
- initrd_end = start + size;
- }
- return 0;
-}
-early_param("initrd", early_initrd);
-#endif
-
#ifdef CONFIG_KEXEC_CORE
/*
* reserve_crashkernel() - reserves memory for crash kernel
@@ -417,14 +399,14 @@ void __init arm64_memblock_init(void)
memblock_add(__pa_symbol(_text), (u64)(_end - _text));
}
- if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && initrd_start) {
+ if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && phys_initrd_size) {
/*
* Add back the memory we just removed if it results in the
* initrd to become inaccessible via the linear mapping.
* Otherwise, this is a no-op
*/
- u64 base = initrd_start & PAGE_MASK;
- u64 size = PAGE_ALIGN(initrd_end) - base;
+ u64 base = phys_initrd_start & PAGE_MASK;
+ u64 size = PAGE_ALIGN(phys_initrd_size);
/*
* We can only add back the initrd memory if we don't end up
@@ -468,15 +450,11 @@ void __init arm64_memblock_init(void)
* pagetables with memblock.
*/
memblock_reserve(__pa_symbol(_text), _end - _text);
-#ifdef CONFIG_BLK_DEV_INITRD
- if (initrd_start) {
- memblock_reserve(initrd_start, initrd_end - initrd_start);
-
+ if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && phys_initrd_size) {
/* the generic initrd code expects virtual addresses */
- initrd_start = __phys_to_virt(initrd_start);
- initrd_end = __phys_to_virt(initrd_end);
+ initrd_start = __phys_to_virt(phys_initrd_start);
+ initrd_end = initrd_start + phys_initrd_size;
}
-#endif
early_init_fdt_scan_reserved_mem();
@@ -620,14 +598,6 @@ void __init mem_init(void)
BUILD_BUG_ON(TASK_SIZE_32 > DEFAULT_MAP_WINDOW_64);
#endif
-#ifdef CONFIG_SPARSEMEM_VMEMMAP
- /*
- * Make sure we chose the upper bound of sizeof(struct page)
- * correctly when sizing the VMEMMAP array.
- */
- BUILD_BUG_ON(sizeof(struct page) > (1 << STRUCT_PAGE_MAX_SHIFT));
-#endif
-
if (PAGE_SIZE >= 16384 && get_num_physpages() <= 128) {
extern int sysctl_overcommit_memory;
/*