LDP
/
man-pages
mirror of https://github.com/mkerrisk/man-pages
0
1
Fork 0
Code Releases Activity

mbind.2: Reformat list of mode values 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2016-10-13 09:19:56 +02:00
parent b763062b2b
commit 3f87f45fd7
1 changed files with 13 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
man2/mbind.2
View File

@ -185,6 +185,10 @@ mode flag is specified],
and contains memory.
The
.I mode
argument must include one of the following values:
The
.TP
.B MPOL_DEFAULT
mode requests that any nondefault policy be removed,
restoring default behavior.
@ -205,10 +209,9 @@ the
and
.I maxnode
arguments must be specify the empty set of nodes.
The
.TP
.B MPOL_BIND
mode specifies a strict policy that restricts memory allocation to
This mode specifies a strict policy that restricts memory allocation to
the nodes specified in
.IR nodemask .
If
@ -222,10 +225,9 @@ node ID specified in
and so forth, until none of the specified nodes contain free memory.
Pages will not be allocated from any node not specified in the
.IR nodemask .
The
.TP
.B MPOL_INTERLEAVE
mode specifies that page allocations be interleaved across the
This mode specifies that page allocations be interleaved across the
set of nodes specified in
.IR nodemask .
This optimizes for bandwidth instead of latency
@ -235,9 +237,9 @@ To be effective the memory area should be fairly large,
at least 1MB or bigger with a fairly uniform access pattern.
Accesses to a single page of the area will still be limited to
the memory bandwidth of a single node.
.TP
.B MPOL_PREFERRED
sets the preferred node for allocation.
This mode sets the preferred node for allocation.
The kernel will try to allocate pages from this
node first and fall back to other nodes if the
preferred nodes is low on free memory.
@ -251,11 +253,11 @@ and
.I maxnode
arguments specify the empty set, then the memory is allocated on
the node of the CPU that triggered the allocation.
.TP
.BR MPOL_LOCAL " (since Linux 3.8)"
.\" commit 479e2802d09f1e18a97262c4c6f8f17ae5884bd8
.\" commit f2a07f40dbc603c15f8b06e6ec7f768af67b424f
specifies "local allocation"; the memory is allocated on
This mode specifies "local allocation"; the memory is allocated on
the node of the CPU that triggered the allocation (the "local node").
The
.I nodemask
@ -275,7 +277,7 @@ By contrast,
reverts to the policy of the process (which may be set via
.BR set_mempolicy (2));
that policy may be something other than "local allocation".
.PP
If
.B MPOL_MF_STRICT
is passed in