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Documentation: file handles are now freed
Since file handles are freed, a little amendment to the documentation Signed-off-by: Federica Teodori <federica.teodori@googlemail.com> Acked-by: Rik van Riel<riel@redhat.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -88,20 +88,19 @@ you might want to raise the limit.
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file-max & file-nr:
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file-max & file-nr:
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The kernel allocates file handles dynamically, but as yet it
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doesn't free them again.
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The value in file-max denotes the maximum number of file-
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The value in file-max denotes the maximum number of file-
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handles that the Linux kernel will allocate. When you get lots
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handles that the Linux kernel will allocate. When you get lots
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of error messages about running out of file handles, you might
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of error messages about running out of file handles, you might
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want to increase this limit.
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want to increase this limit.
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Historically, the three values in file-nr denoted the number of
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Historically,the kernel was able to allocate file handles
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allocated file handles, the number of allocated but unused file
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dynamically, but not to free them again. The three values in
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handles, and the maximum number of file handles. Linux 2.6 always
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file-nr denote the number of allocated file handles, the number
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reports 0 as the number of free file handles -- this is not an
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of allocated but unused file handles, and the maximum number of
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error, it just means that the number of allocated file handles
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file handles. Linux 2.6 always reports 0 as the number of free
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exactly matches the number of used file handles.
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file handles -- this is not an error, it just means that the
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number of allocated file handles exactly matches the number of
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used file handles.
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Attempts to allocate more file descriptors than file-max are
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Attempts to allocate more file descriptors than file-max are
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reported with printk, look for "VFS: file-max limit <number>
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reported with printk, look for "VFS: file-max limit <number>
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