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Date: Mon, 3 Aug 2009 11:27:41 +0800 From: Xiaotian Feng <dfeng@...hat.com> To: rdunlap@...otime.net Cc: linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, Xiaotian Feng <dfeng@...hat.com> Subject: [PATCH] Documentation: update stale definition of file-nr in fs.txt commit 760df9 merged /proc/sys/fs documentation in Documentation/sysctl/ fs.txt and Documentation/filesystem/proc.txt, but stale file-nr definition is remained. This patch add back the right fs-nr definition for 2.6 kernel. Signed-off-by: Xiaotian Feng<dfeng@...hat.com> --- Documentation/sysctl/fs.txt | 17 ++++++++++------- 1 files changed, 10 insertions(+), 7 deletions(-) diff --git a/Documentation/sysctl/fs.txt b/Documentation/sysctl/fs.txt index 1458448..6268250 100644 --- a/Documentation/sysctl/fs.txt +++ b/Documentation/sysctl/fs.txt @@ -96,13 +96,16 @@ handles that the Linux kernel will allocate. When you get lots of error messages about running out of file handles, you might want to increase this limit. -The three values in file-nr denote the number of allocated -file handles, the number of unused file handles and the maximum -number of file handles. When the allocated file handles come -close to the maximum, but the number of unused file handles is -significantly greater than 0, you've encountered a peak in your -usage of file handles and you don't need to increase the maximum. - +Historically, the three values in file-nr denoted the number of +allocated file handles, the number of allocated but unused file +handles, and the maximum number of file handles. Linux 2.6 always +reports 0 as the number of free file handles -- this is not an +error, it just means that the number of allocated file handles +exactly matches the number of used file handles. + +Attempts to allocate more file descriptors than file-max are +reported with printk, look for "VFS: file-max limit <number> +reached". ============================================================== nr_open: -- 1.6.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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