Rename the interface to valid_zones according to most pepole's suggestion. Sample output of the sysfs files: memory0/valid_zones: none memory1/valid_zones: DMA32 memory2/valid_zones: DMA32 memory3/valid_zones: DMA32 memory4/valid_zones: Normal memory5/valid_zones: Normal memory6/valid_zones: Normal Movable memory7/valid_zones: Movable Normal memory8/valid_zones: Movable Signed-off-by: Zhang Zhen <zhenzhang.zhang@xxxxxxxxxx> --- Documentation/ABI/testing/sysfs-devices-memory | 8 ++++---- Documentation/memory-hotplug.txt | 13 ++++++++++--- drivers/base/memory.c | 6 +++--- 3 files changed, 17 insertions(+), 10 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-devices-memory b/Documentation/ABI/testing/sysfs-devices-memory index 2b2a1d7..deef3b5 100644 --- a/Documentation/ABI/testing/sysfs-devices-memory +++ b/Documentation/ABI/testing/sysfs-devices-memory @@ -61,13 +61,13 @@ Users: hotplug memory remove tools http://www.ibm.com/developerworks/wikis/display/LinuxP/powerpc-utils -What: /sys/devices/system/memory/memoryX/zones_online_to +What: /sys/devices/system/memory/memoryX/valid_zones Date: July 2014 Contact: Zhang Zhen <zhenzhang.zhang@xxxxxxxxxx> Description: - The file /sys/devices/system/memory/memoryX/zones_online_to - is read-only and is designed to show which zone this memory block can - be onlined to. + The file /sys/devices/system/memory/memoryX/valid_zones is + read-only and is designed to show which zone this memory + block can be onlined to. What: /sys/devices/system/memoryX/nodeY Date: October 2009 diff --git a/Documentation/memory-hotplug.txt b/Documentation/memory-hotplug.txt index 5b34e33..93a25ef 100644 --- a/Documentation/memory-hotplug.txt +++ b/Documentation/memory-hotplug.txt @@ -155,7 +155,7 @@ Under each memory block, you can see 4 files: /sys/devices/system/memory/memoryXXX/phys_device /sys/devices/system/memory/memoryXXX/state /sys/devices/system/memory/memoryXXX/removable -/sys/devices/system/memory/memoryXXX/zones_online_to +/sys/devices/system/memory/memoryXXX/valid_zones 'phys_index' : read-only and contains memory block id, same as XXX. 'state' : read-write @@ -171,8 +171,15 @@ Under each memory block, you can see 4 files: block is removable and a value of 0 indicates that it is not removable. A memory block is removable only if every section in the block is removable. -'zones_online_to' : read-only: designed to show which zone this memory block - can be onlined to. +'valid_zones' : read-only: designed to show which zones this memory block + can be onlined to. + The first column shows it's default zone. + "memory6/valid_zones: Normal Movable" shows this memoryblock + can be onlined to ZONE_NORMAL by default and to ZONE_MOVABLE + by online_movable. + "memory7/valid_zones: Movable Normal" shows this memoryblock + can be onlined to ZONE_MOVABLE by default and to ZONE_NORMAL + by online_kernel. NOTE: These directories/files appear after physical memory hotplug phase. diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 0fc1d25..efd456c 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -374,7 +374,7 @@ static ssize_t show_phys_device(struct device *dev, } #ifdef CONFIG_MEMORY_HOTREMOVE -static ssize_t show_zones_online_to(struct device *dev, +static ssize_t show_valid_zones(struct device *dev, struct device_attribute *attr, char *buf) { struct memory_block *mem = to_memory_block(dev); @@ -409,7 +409,7 @@ static ssize_t show_zones_online_to(struct device *dev, return sprintf(buf, "%s\n", zone->name); } -static DEVICE_ATTR(zones_online_to, 0444, show_zones_online_to, NULL); +static DEVICE_ATTR(valid_zones, 0444, show_valid_zones, NULL); #endif static DEVICE_ATTR(phys_index, 0444, show_mem_start_phys_index, NULL); @@ -563,7 +563,7 @@ static struct attribute *memory_memblk_attrs[] = { &dev_attr_phys_device.attr, &dev_attr_removable.attr, #ifdef CONFIG_MEMORY_HOTREMOVE - &dev_attr_zones_online_to.attr, + &dev_attr_valid_zones.attr, #endif NULL }; -- 1.8.1.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>