Messages in this thread Patch in this message | | | Date | Wed, 12 Apr 2006 10:52:06 -0700 | From | "Randy.Dunlap" <> | Subject | [PATCH] Doc; vm/hugetlbpage update-2 |
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From: Randy Dunlap <rdunlap@xenotime.net>
Add new line of /proc/meminfo output. Explain the HugePage_ lines in /proc/meminfo (from Bill Irwin). Change KB to kB since the latter is what is used in the kernel.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> --- Documentation/vm/hugetlbpage.txt | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)
--- linux-2617-rc1.orig/Documentation/vm/hugetlbpage.txt +++ linux-2617-rc1/Documentation/vm/hugetlbpage.txt @@ -32,7 +32,16 @@ The output of "cat /proc/meminfo" will h ..... HugePages_Total: xxx HugePages_Free: yyy -Hugepagesize: zzz KB +HugePages_Rsvd: www +Hugepagesize: zzz kB + +where: +HugePages_Total is the size of the pool of hugepages. +HugePages_Free is the number of hugepages in the pool that are not yet +allocated. +HugePages_Rsvd is short for "reserved," and is the number of hugepages +for which a commitment to allocate from the pool has been made, but no +allocation has yet been made. It's vaguely analogous to overcommit. /proc/filesystems should also show a filesystem of type "hugetlbfs" configured in the kernel.
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