[PATCH 1/9] v4 Move the find_memory_block() routine up
in [Kernel]
|
Prev: [PATCH 2/9] v4 Add new phys_index properties
Next: drivers/usb/core/sysfs.c Fix variable 'retval' set but not used
From: Nathan Fontenot on 3 Aug 2010 09:40 Move the find_memory_block() routine up to avoid needing a forward declaration in subsequent patches. Signed-off-by: Nathan Fontenot <nfont(a)austin.ibm.com> --- drivers/base/memory.c | 62 +++++++++++++++++++++++++------------------------- 1 file changed, 31 insertions(+), 31 deletions(-) Index: linux-2.6/drivers/base/memory.c =================================================================== --- linux-2.6.orig/drivers/base/memory.c 2010-08-02 13:23:51.000000000 -0500 +++ linux-2.6/drivers/base/memory.c 2010-08-02 13:32:21.000000000 -0500 @@ -435,6 +435,37 @@ int __weak arch_get_memory_phys_device(u return 0; } +/* + * For now, we have a linear search to go find the appropriate + * memory_block corresponding to a particular phys_index. If + * this gets to be a real problem, we can always use a radix + * tree or something here. + * + * This could be made generic for all sysdev classes. + */ +struct memory_block *find_memory_block(struct mem_section *section) +{ + struct kobject *kobj; + struct sys_device *sysdev; + struct memory_block *mem; + char name[sizeof(MEMORY_CLASS_NAME) + 9 + 1]; + + /* + * This only works because we know that section == sysdev->id + * slightly redundant with sysdev_register() + */ + sprintf(&name[0], "%s%d", MEMORY_CLASS_NAME, __section_nr(section)); + + kobj = kset_find_obj(&memory_sysdev_class.kset, name); + if (!kobj) + return NULL; + + sysdev = container_of(kobj, struct sys_device, kobj); + mem = container_of(sysdev, struct memory_block, sysdev); + + return mem; +} + static int add_memory_block(int nid, struct mem_section *section, unsigned long state, enum mem_add_context context) { @@ -468,37 +499,6 @@ static int add_memory_block(int nid, str return ret; } -/* - * For now, we have a linear search to go find the appropriate - * memory_block corresponding to a particular phys_index. If - * this gets to be a real problem, we can always use a radix - * tree or something here. - * - * This could be made generic for all sysdev classes. - */ -struct memory_block *find_memory_block(struct mem_section *section) -{ - struct kobject *kobj; - struct sys_device *sysdev; - struct memory_block *mem; - char name[sizeof(MEMORY_CLASS_NAME) + 9 + 1]; - - /* - * This only works because we know that section == sysdev->id - * slightly redundant with sysdev_register() - */ - sprintf(&name[0], "%s%d", MEMORY_CLASS_NAME, __section_nr(section)); - - kobj = kset_find_obj(&memory_sysdev_class.kset, name); - if (!kobj) - return NULL; - - sysdev = container_of(kobj, struct sys_device, kobj); - mem = container_of(sysdev, struct memory_block, sysdev); - - return mem; -} - int remove_memory_block(unsigned long node_id, struct mem_section *section, int phys_device) { -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |