[PATCH v2, part1 24/29] mm/unicore32: use common help functions to free reserved pages

2013-03-09 Thread Jiang Liu
Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu 
Cc: Guan Xuetao 
---
 arch/unicore32/mm/init.c |   28 +++-
 1 file changed, 3 insertions(+), 25 deletions(-)

diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index de186bd..c5817b0 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -313,24 +313,6 @@ void __init bootmem_init(void)
max_pfn = max_high - PHYS_PFN_OFFSET;
 }
 
-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)
-   printk(KERN_INFO "Freeing %s memory: %dK\n", s, size);
-
-   return pages;
-}
-
 static inline void
 free_memmap(unsigned long start_pfn, unsigned long end_pfn)
 {
@@ -404,9 +386,9 @@ void __init mem_init(void)
 
max_mapnr   = pfn_to_page(max_pfn + PHYS_PFN_OFFSET) - mem_map;
 
-   /* this will put all unused low memory onto the freelists */
free_unused_memmap();
 
+   /* this will put all unused low memory onto the freelists */
totalram_pages += free_all_bootmem();
 
reserved_pages = free_pages = 0;
@@ -491,9 +473,7 @@ void __init mem_init(void)
 
 void free_initmem(void)
 {
-   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
@@ -503,9 +483,7 @@ static int keep_initrd;
 void free_initrd_mem(unsigned long start, unsigned long end)
 {
if (!keep_initrd)
-   totalram_pages += free_area(__phys_to_pfn(__pa(start)),
-   __phys_to_pfn(__pa(end)),
-   "initrd");
+   free_reserved_area(start, end, 0, "initrd");
 }
 
 static int __init keepinitrd_setup(char *__unused)
-- 
1.7.9.5

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[PATCH v2, part1 24/29] mm/unicore32: use common help functions to free reserved pages

2013-03-09 Thread Jiang Liu
Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu jiang@huawei.com
Cc: Guan Xuetao g...@mprc.pku.edu.cn
---
 arch/unicore32/mm/init.c |   28 +++-
 1 file changed, 3 insertions(+), 25 deletions(-)

diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index de186bd..c5817b0 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -313,24 +313,6 @@ void __init bootmem_init(void)
max_pfn = max_high - PHYS_PFN_OFFSET;
 }
 
-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)
-   printk(KERN_INFO Freeing %s memory: %dK\n, s, size);
-
-   return pages;
-}
-
 static inline void
 free_memmap(unsigned long start_pfn, unsigned long end_pfn)
 {
@@ -404,9 +386,9 @@ void __init mem_init(void)
 
max_mapnr   = pfn_to_page(max_pfn + PHYS_PFN_OFFSET) - mem_map;
 
-   /* this will put all unused low memory onto the freelists */
free_unused_memmap(meminfo);
 
+   /* this will put all unused low memory onto the freelists */
totalram_pages += free_all_bootmem();
 
reserved_pages = free_pages = 0;
@@ -491,9 +473,7 @@ void __init mem_init(void)
 
 void free_initmem(void)
 {
-   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
@@ -503,9 +483,7 @@ static int keep_initrd;
 void free_initrd_mem(unsigned long start, unsigned long end)
 {
if (!keep_initrd)
-   totalram_pages += free_area(__phys_to_pfn(__pa(start)),
-   __phys_to_pfn(__pa(end)),
-   initrd);
+   free_reserved_area(start, end, 0, initrd);
 }
 
 static int __init keepinitrd_setup(char *__unused)
-- 
1.7.9.5

--
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