Commit d2309a19 authored by Jiang Liu's avatar Jiang Liu Committed by Linus Torvalds

mm/arc: use common help functions to free reserved pages

Use common help functions to free reserved pages.
Signed-off-by: default avatarJiang Liu <jiang.liu@huawei.com>
Acked-by: default avatarVineet Gupta <vgupta@synopsys.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7acb2c2e
...@@ -144,37 +144,18 @@ void __init mem_init(void) ...@@ -144,37 +144,18 @@ void __init mem_init(void)
PAGES_TO_KB(reserved_pages)); PAGES_TO_KB(reserved_pages));
} }
static void __init free_init_pages(const char *what, unsigned long begin,
unsigned long end)
{
unsigned long addr;
pr_info("Freeing %s: %ldk [%lx] to [%lx]\n",
what, TO_KB(end - begin), begin, end);
/* need to check that the page we free is not a partial page */
for (addr = begin; addr + PAGE_SIZE <= end; addr += PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
init_page_count(virt_to_page(addr));
free_page(addr);
totalram_pages++;
}
}
/* /*
* free_initmem: Free all the __init memory. * free_initmem: Free all the __init memory.
*/ */
void __init_refok free_initmem(void) void __init_refok free_initmem(void)
{ {
free_init_pages("unused kernel memory", free_initmem_default(0);
(unsigned long)__init_begin,
(unsigned long)__init_end);
} }
#ifdef CONFIG_BLK_DEV_INITRD #ifdef CONFIG_BLK_DEV_INITRD
void __init free_initrd_mem(unsigned long start, unsigned long end) void __init free_initrd_mem(unsigned long start, unsigned long end)
{ {
free_init_pages("initrd memory", start, end); free_reserved_area(start, end, 0, "initrd");
} }
#endif #endif
......
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