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authorru <ru@FreeBSD.org>2009-09-29 10:50:02 +0000
committerru <ru@FreeBSD.org>2009-09-29 10:50:02 +0000
commit56606ddda10a0c7ec87a4bde79c3e949fcbc82f3 (patch)
treece77b6a0aa86e484824a2aac33aa42a83afd391e /share
parentc71d3f7c6ea3aec3504aa96c9b97b9510904f4f2 (diff)
downloadFreeBSD-src-56606ddda10a0c7ec87a4bde79c3e949fcbc82f3.zip
FreeBSD-src-56606ddda10a0c7ec87a4bde79c3e949fcbc82f3.tar.gz
Fixed markup bugs.
Diffstat (limited to 'share')
-rw-r--r--share/man/man7/tuning.719
1 files changed, 12 insertions, 7 deletions
diff --git a/share/man/man7/tuning.7 b/share/man/man7/tuning.7
index 34c8ac3..a87df57 100644
--- a/share/man/man7/tuning.7
+++ b/share/man/man7/tuning.7
@@ -407,22 +407,27 @@ The
.Va vm.overcommit
sysctl defines the overcommit behaviour of the vm subsystem.
The virtual memory system always does accounting of the swap space
-reservation, both total for system and per-user. Corresponding values
+reservation, both total for system and per-user.
+Corresponding values
are available through sysctl
-.Va vm.swap_total,
+.Va vm.swap_total ,
that gives the total bytes available for swapping, and
-.Va vm.swap_reserved,
+.Va vm.swap_reserved ,
that gives number of bytes that may be needed to back all currently
allocated anonymous memory.
.Pp
Setting bit 0 of the
.Va vm.overcommit
sysctl causes the virtual memory system to return failure
-to the process when allocation of memory causes vm.swap_reserved
-to exceed vm.swap_total.
-Bit 1 of the sysctl enforces RLIMIT_SWAP limit
+to the process when allocation of memory causes
+.Va vm.swap_reserved
+to exceed
+.Va vm.swap_total .
+Bit 1 of the sysctl enforces
+.Dv RLIMIT_SWAP
+limit
(see
-.Xr getrlimit 2 ).
+.Xr getrlimit 2 ) .
Root is exempt from this limit.
Bit 2 allows to count most of the physical
memory as allocatable, except wired and free reserved pages
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