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Diffstat (limited to 'arch/metag/mm/init.c')
-rw-r--r--arch/metag/mm/init.c31
1 files changed, 4 insertions, 27 deletions
diff --git a/arch/metag/mm/init.c b/arch/metag/mm/init.c
index 504a398d5f8..d05b8455c44 100644
--- a/arch/metag/mm/init.c
+++ b/arch/metag/mm/init.c
@@ -380,14 +380,8 @@ void __init mem_init(void)
#ifdef CONFIG_HIGHMEM
unsigned long tmp;
- for (tmp = highstart_pfn; tmp < highend_pfn; tmp++) {
- struct page *page = pfn_to_page(tmp);
- ClearPageReserved(page);
- init_page_count(page);
- __free_page(page);
- totalhigh_pages++;
- }
- totalram_pages += totalhigh_pages;
+ for (tmp = highstart_pfn; tmp < highend_pfn; tmp++)
+ free_highmem_page(pfn_to_page(tmp));
num_physpages += totalhigh_pages;
#endif /* CONFIG_HIGHMEM */
@@ -412,32 +406,15 @@ void __init mem_init(void)
return;
}
-static void free_init_pages(char *what, unsigned long begin, unsigned long end)
-{
- unsigned long addr;
-
- for (addr = begin; addr < end; addr += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(addr));
- init_page_count(virt_to_page(addr));
- memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE);
- free_page(addr);
- totalram_pages++;
- }
- pr_info("Freeing %s: %luk freed\n", what, (end - begin) >> 10);
-}
-
void free_initmem(void)
{
- free_init_pages("unused kernel memory",
- (unsigned long)(&__init_begin),
- (unsigned long)(&__init_end));
+ free_initmem_default(POISON_FREE_INITMEM);
}
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
- end = end & PAGE_MASK;
- free_init_pages("initrd memory", start, end);
+ free_reserved_area(start, end, POISON_FREE_INITMEM, "initrd");
}
#endif