Use common help functions to free reserved pages.
Signed-off-by: Jiang Liu <jiang....@huawei.com>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: "H. Peter Anvin" <h...@zytor.com>
---
arch/x86/mm/init.c | 5 +----
arch/x86/mm/init_64.c | 5 ++---
2 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 4903a03..4a705e6 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -516,11 +516,8 @@ void free_init_pages(char *what, unsigned long begin,
unsigned long end)
printk(KERN_INFO "Freeing %s: %luk freed\n", what, (end - begin) >> 10);
for (; 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++;
+ free_reserved_page(virt_to_page(addr));
}
#endif
}
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 474e28f..2ef81f1 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1067,10 +1067,9 @@ void __init mem_init(void)
/* clear_bss() already clear the empty_zero_page */
- reservedpages = 0;
-
- /* this will put all low memory onto the freelists */
register_page_bootmem_info();
+
+ /* this will put all memory onto the freelists */
totalram_pages = free_all_bootmem();
absent_pages = absent_pages_in_range(0, max_pfn);
--
1.7.9.5
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