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| author | Jiang Liu <liuj97@gmail.com> | 2013-04-29 15:06:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 15:54:31 -0700 |
| commit | 7acb2c2e1c4391b58bf8e61efcd478cde5800ec1 (patch) | |
| tree | cbe410d8ef67c30c52505ee7a1bdd00781a350b5 /arch/xtensa | |
| parent | bced0e32f6bdf4e2584bc9df58e3fbebaaf42bef (diff) | |
| download | linux-7acb2c2e1c4391b58bf8e61efcd478cde5800ec1.tar.bz2 | |
mm/xtensa: use common help functions to free reserved pages
Use common help functions to free reserved pages.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/mm/init.c | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index 7a5156ffebb6..bba125b4bb06 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -208,32 +208,17 @@ void __init mem_init(void) highmemsize >> 10); } -void -free_reserved_mem(void *start, void *end) -{ - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - init_page_count(virt_to_page(start)); - free_page((unsigned long)start); - totalram_pages++; - } -} - #ifdef CONFIG_BLK_DEV_INITRD extern int initrd_is_mapped; void free_initrd_mem(unsigned long start, unsigned long end) { - if (initrd_is_mapped) { - free_reserved_mem((void*)start, (void*)end); - printk ("Freeing initrd memory: %ldk freed\n",(end-start)>>10); - } + if (initrd_is_mapped) + free_reserved_area(start, end, 0, "initrd"); } #endif void free_initmem(void) { - free_reserved_mem(__init_begin, __init_end); - printk("Freeing unused kernel memory: %zuk freed\n", - (__init_end - __init_begin) >> 10); + free_initmem_default(0); } |