The path for extfrag_index has not been updated even after it moved to under /sys. This patch fixed the path. Signed-off-by: Masanari Iida <standby24x7@xxxxxxxxx> --- Documentation/sysctl/vm.txt | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index c94acad..9dd8555 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt @@ -166,11 +166,12 @@ user should run `sync' first. extfrag_threshold This parameter affects whether the kernel will compact memory or direct -reclaim to satisfy a high-order allocation. /proc/extfrag_index shows what -the fragmentation index for each order is in each zone in the system. Values -tending towards 0 imply allocations would fail due to lack of memory, -values towards 1000 imply failures are due to fragmentation and -1 implies -that the allocation will succeed as long as watermarks are met. +reclaim to satisfy a high-order allocation. +/sys/kernel/debug/extfrag/extfrag_index shows what the fragmentation index +for each order is in each zone in the system. Values tending towards 0 +imply allocations would fail due to lack of memory, values towards 1000 +imply failures are due to fragmentation and -1 implies that the allocation +will succeed as long as watermarks are met. The kernel will not compact memory in a zone if the fragmentation index is <= extfrag_threshold. The default value is 500. -- 1.7.10.rc4 -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>