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authorMike Frysinger <michael.frysinger@analog.com>2007-07-12 12:32:00 +0800
committerBryan Wu <bryan.wu@analog.com>2007-07-12 12:32:00 +0800
commit1d1894749cca89f4bb013364524199b3015d7b00 (patch)
tree5b38641977f0964bc76432f928e50a4223cdc3f2 /arch/blackfin/mm/init.c
parent5610db61cf2945a5e74667e952f2792c96ba53a1 (diff)
downloadlinux-linaro-android-1d1894749cca89f4bb013364524199b3015d7b00.tar.gz
Blackfin arch: combine the common code of free_initrd_mem and free_initmem
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin/mm/init.c')
-rw-r--r--arch/blackfin/mm/init.c45
1 files changed, 17 insertions, 28 deletions
diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c
index 2d12449be59..68459cc052a 100644
--- a/arch/blackfin/mm/init.c
+++ b/arch/blackfin/mm/init.c
@@ -168,42 +168,31 @@ void __init mem_init(void)
}
}
-#ifdef CONFIG_BLK_DEV_INITRD
-void __init free_initrd_mem(unsigned long start, unsigned long end)
+static __init void free_init_pages(const char *what, unsigned long begin, unsigned long end)
{
- int pages = 0;
- for (; start < end; start += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(start));
- init_page_count(virt_to_page(start));
- free_page(start);
+ unsigned long addr;
+ /* next 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++;
- pages++;
}
- printk(KERN_NOTICE "Freeing initrd memory: %dk freed\n", pages);
+ printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
+}
+
+#ifdef CONFIG_BLK_DEV_INITRD
+void __init free_initrd_mem(unsigned long start, unsigned long end)
+{
+ free_init_pages("initrd memory", start, end);
}
#endif
void __init free_initmem(void)
{
#ifdef CONFIG_RAMKERNEL
- unsigned long addr;
- /*
- * the following code should be cool even if these sections
- * are not page aligned.
- */
- addr = PAGE_ALIGN((unsigned long)(__init_begin));
- /* next to check that the page we free is not a partial page */
- for (; addr + PAGE_SIZE < (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_NOTICE
- "Freeing unused kernel memory: %ldk freed (0x%x - 0x%x)\n",
- (addr - PAGE_ALIGN((long)__init_begin)) >> 10,
- (int)(PAGE_ALIGN((unsigned long)(__init_begin))),
- (int)(addr - PAGE_SIZE));
+ free_init_pages("unused kernel memory",
+ (unsigned long)(&__init_begin),
+ (unsigned long)(&__init_end));
#endif
}