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authorMike Frysinger <michael.frysinger@analog.com>2007-07-12 00:32:00 -0400
committerBryan Wu <bryan.wu@analog.com>2007-07-12 00:32:00 -0400
commit1d1894749cca89f4bb013364524199b3015d7b00 (patch)
tree5b38641977f0964bc76432f928e50a4223cdc3f2 /arch/blackfin
parent5610db61cf2945a5e74667e952f2792c96ba53a1 (diff)
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')
-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 2d12449be596..68459cc052a1 100644
--- a/arch/blackfin/mm/init.c
+++ b/arch/blackfin/mm/init.c
@@ -168,42 +168,31 @@ void __init mem_init(void)
168 } 168 }
169} 169}
170 170
171#ifdef CONFIG_BLK_DEV_INITRD 171static __init void free_init_pages(const char *what, unsigned long begin, unsigned long end)
172void __init free_initrd_mem(unsigned long start, unsigned long end)
173{ 172{
174 int pages = 0; 173 unsigned long addr;
175 for (; start < end; start += PAGE_SIZE) { 174 /* next to check that the page we free is not a partial page */
176 ClearPageReserved(virt_to_page(start)); 175 for (addr = begin; addr + PAGE_SIZE <= end; addr += PAGE_SIZE) {
177 init_page_count(virt_to_page(start)); 176 ClearPageReserved(virt_to_page(addr));
178 free_page(start); 177 init_page_count(virt_to_page(addr));
178 free_page(addr);
179 totalram_pages++; 179 totalram_pages++;
180 pages++;
181 } 180 }
182 printk(KERN_NOTICE "Freeing initrd memory: %dk freed\n", pages); 181 printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
182}
183
184#ifdef CONFIG_BLK_DEV_INITRD
185void __init free_initrd_mem(unsigned long start, unsigned long end)
186{
187 free_init_pages("initrd memory", start, end);
183} 188}
184#endif 189#endif
185 190
186void __init free_initmem(void) 191void __init free_initmem(void)
187{ 192{
188#ifdef CONFIG_RAMKERNEL 193#ifdef CONFIG_RAMKERNEL
189 unsigned long addr; 194 free_init_pages("unused kernel memory",
190 /* 195 (unsigned long)(&__init_begin),
191 * the following code should be cool even if these sections 196 (unsigned long)(&__init_end));
192 * are not page aligned.
193 */
194 addr = PAGE_ALIGN((unsigned long)(__init_begin));
195 /* next to check that the page we free is not a partial page */
196 for (; addr + PAGE_SIZE < (unsigned long)(__init_end);
197 addr += PAGE_SIZE) {
198 ClearPageReserved(virt_to_page(addr));
199 init_page_count(virt_to_page(addr));
200 free_page(addr);
201 totalram_pages++;
202 }
203 printk(KERN_NOTICE
204 "Freeing unused kernel memory: %ldk freed (0x%x - 0x%x)\n",
205 (addr - PAGE_ALIGN((long)__init_begin)) >> 10,
206 (int)(PAGE_ALIGN((unsigned long)(__init_begin))),
207 (int)(addr - PAGE_SIZE));
208#endif 197#endif
209} 198}