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| author | Jiang Liu <liuj97@gmail.com> | 2013-04-29 15:06:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 15:54:29 -0700 |
| commit | 2e529815a65a7c7ea61cad0b38e50967a2eb1677 (patch) | |
| tree | 556a342b79ff3b6c4646f8145ba3ef3834b0b749 | |
| parent | 95a259ed28204c7692fdf902b1742e50efc07c83 (diff) | |
| download | lwn-2e529815a65a7c7ea61cad0b38e50967a2eb1677.tar.gz lwn-2e529815a65a7c7ea61cad0b38e50967a2eb1677.zip | |
mm/cris: use common help functions to free reserved pages
Use common help functions to free reserved pages.
Also include <asm/sections.h> to avoid local declaration.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Mikael Starvik <starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/cris/mm/init.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/arch/cris/mm/init.c b/arch/cris/mm/init.c index d72ab58fd83e..9ac80946dada 100644 --- a/arch/cris/mm/init.c +++ b/arch/cris/mm/init.c @@ -12,12 +12,10 @@ #include <linux/init.h> #include <linux/bootmem.h> #include <asm/tlb.h> +#include <asm/sections.h> unsigned long empty_zero_page; -extern char _stext, _edata, _etext; /* From linkerscript */ -extern char __init_begin, __init_end; - void __init mem_init(void) { @@ -67,15 +65,5 @@ mem_init(void) void free_initmem(void) { - unsigned long addr; - - addr = (unsigned long)(&__init_begin); - for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - free_page(addr); - totalram_pages++; - } - printk (KERN_INFO "Freeing unused kernel memory: %luk freed\n", - (unsigned long)((&__init_end - &__init_begin) >> 10)); + free_initmem_default(0); } |