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| author | Jiang Liu <liuj97@gmail.com> | 2013-04-29 15:06:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 15:54:29 -0700 |
| commit | 83db0384a92ac4e52dccd275bc1a58dca86d629d (patch) | |
| tree | b09b3200b227acac7f5be12d58a9878a40be3e8e /arch/arm64/mm/init.c | |
| parent | f3beeb4a51d3aa16571e6c3774b929209e9956bf (diff) | |
| download | linux-83db0384a92ac4e52dccd275bc1a58dca86d629d.tar.gz | |
mm/ARM: 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: Russell King <linux@arm.linux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arm64/mm/init.c')
| -rw-r--r-- | arch/arm64/mm/init.c | 26 |
1 files changed, 2 insertions, 24 deletions
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 800aac306a08..f497ca77925a 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -197,24 +197,6 @@ void __init bootmem_init(void) max_pfn = max_low_pfn = max; } -static inline int free_area(unsigned long pfn, unsigned long end, char *s) -{ - unsigned int pages = 0, size = (end - pfn) << (PAGE_SHIFT - 10); - - for (; pfn < end; pfn++) { - struct page *page = pfn_to_page(pfn); - ClearPageReserved(page); - init_page_count(page); - __free_page(page); - pages++; - } - - if (size && s) - pr_info("Freeing %s memory: %dK\n", s, size); - - return pages; -} - /* * Poison init memory with an undefined instruction (0x0). */ @@ -405,9 +387,7 @@ void __init mem_init(void) void free_initmem(void) { poison_init_mem(__init_begin, __init_end - __init_begin); - totalram_pages += free_area(__phys_to_pfn(__pa(__init_begin)), - __phys_to_pfn(__pa(__init_end)), - "init"); + free_initmem_default(0); } #ifdef CONFIG_BLK_DEV_INITRD @@ -418,9 +398,7 @@ void free_initrd_mem(unsigned long start, unsigned long end) { if (!keep_initrd) { poison_init_mem((void *)start, PAGE_ALIGN(end) - start); - totalram_pages += free_area(__phys_to_pfn(__pa(start)), - __phys_to_pfn(__pa(end)), - "initrd"); + free_reserved_area(start, end, 0, "initrd"); } } |