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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-12 13:25:24 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-12 13:25:24 -0700 |
commit | 82afee684fe3badaf5ee3fc5b6fda687d558bfb5 (patch) | |
tree | 295abb35451a7eb1e46d6066e536e23d1a75668b /arch/blackfin/mm/init.c | |
parent | 068345f4a873e8b0b511e8f94a595a20e176eeff (diff) | |
parent | f4d640c9be1979a603ed017e1e03a16ba3a4d7a1 (diff) | |
download | linux-82afee684fe3badaf5ee3fc5b6fda687d558bfb5.tar.bz2 |
Merge master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (30 commits)
Blackfin serial driver: supporting BF548-EZKIT serial port
Video Console: Blackfin doesnt support VGA console
Blackfin arch: Add peripheral io API to gpio header file
Blackfin arch: set up gpio interrupt IRQ_PJ9 for BF54x ATAPI PATA driver
Blackfin arch: add missing CONFIG_LARGE_ALLOCS when upstream merging
Blackfin arch: as pointed out by Robert P. J. Day, update the CPU_FREQ name to match current Kconfig
Blackfin arch: extract the entry point from the linked kernel
Blackfin arch: clean up some coding style issues
Blackfin arch: combine the common code of free_initrd_mem and free_initmem
Blackfin arch: Add Support for Peripheral PortMux and resouce allocation
Blackfin arch: use PAGE_SIZE when doing aligns rather than hardcoded values
Blackfin arch: fix bug set dma_address properly in dma_map_sg
Blackfin arch: Disable CACHELINE_ALIGNED_L1 for BF54x by default
Blackfin arch: Port the dm9000 driver to Blackfin by using the correct low-level io routines
Blackfin arch: There is no CDPRIO Bit in the EBIU_AMGCTL Register of BF54x arch
Blackfin arch: scrub dead code
Blackfin arch: Fix Warning add some defines in BF54x header file
Blackfin arch: add BF54x missing GPIO access functions
Blackfin arch: Some memory and code optimizations - Fix SYS_IRQS
Blackfin arch: Enable BF54x PIN/GPIO interrupts
...
Diffstat (limited to 'arch/blackfin/mm/init.c')
-rw-r--r-- | arch/blackfin/mm/init.c | 47 |
1 files changed, 18 insertions, 29 deletions
diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c index 570356dbe028..68459cc052a1 100644 --- a/arch/blackfin/mm/init.c +++ b/arch/blackfin/mm/init.c @@ -29,8 +29,8 @@ #include <linux/swap.h> #include <linux/bootmem.h> +#include <linux/uaccess.h> #include <asm/bfin-global.h> -#include <asm/uaccess.h> #include <asm/l1layout.h> #include "blackfin_sram.h" @@ -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 } |