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man5/proc.5
11
man5/proc.5
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@ -1569,7 +1569,8 @@ On 32-bit platforms, 32768 is the maximum value for
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On 64-bit systems,
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On 64-bit systems,
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.I pid_max
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.I pid_max
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can be set to any value up to 2^22
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can be set to any value up to 2^22
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(PID_MAX_LIMIT, approximately 4 million).
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.RB ( PID_MAX_LIMIT ,
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approximately 4 million).
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.\" Prior to 2.6.10, pid_max could also be raised above 32768 on 32-bit
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.\" Prior to 2.6.10, pid_max could also be raised above 32768 on 32-bit
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.\" platforms, but this broke /proc/PID
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.\" platforms, but this broke /proc/PID
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.\" See http://marc.theaimsgroup.com/?l=linux-kernel&m=109513010926152&w=2
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.\" See http://marc.theaimsgroup.com/?l=linux-kernel&m=109513010926152&w=2
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@ -1664,7 +1665,8 @@ You can't tune it just yet, but you could change it at
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compile time by editing
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compile time by editing
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.I include/scsi/sg.h
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.I include/scsi/sg.h
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and changing
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and changing
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the value of SG_BIG_BUFF.
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the value of
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.BR SG_BIG_BUFF .
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However, there shouldn't be any reason to change this value.
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However, there shouldn't be any reason to change this value.
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.TP
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.TP
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.I /proc/sys/kernel/shmall
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.I /proc/sys/kernel/shmall
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@ -1677,9 +1679,10 @@ This file
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can be used to query and set the run time limit
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can be used to query and set the run time limit
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on the maximum (System V IPC) shared memory segment size that can be
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on the maximum (System V IPC) shared memory segment size that can be
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created.
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created.
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Shared memory segments up to 1Gb are now supported in the
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Shared memory segments up to 1GB are now supported in the
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kernel.
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kernel.
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This value defaults to SHMMAX.
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This value defaults to
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.BR SHMMAX .
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.TP
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.TP
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.I /proc/sys/kernel/shmmni
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.I /proc/sys/kernel/shmmni
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(available in Linux 2.4 and onwards)
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(available in Linux 2.4 and onwards)
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