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authorLinus Torvalds <torvalds@linux-foundation.org>2018-06-04 15:34:27 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2018-06-04 15:34:27 -0400
commiteeee3149aaa022145b2659e3b0601dc705d69402 (patch)
tree1b537cccc059cab62d7d2e22b7583b192d9e8c15 /Documentation/filesystems
parentc5e7a7ea22d5677f7c70028908372cff6948ecdc (diff)
parenta49d9c0ae46e149a22aefa8251d07dddd5611851 (diff)
Merge tag 'docs-4.18' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet: "There's been a fair amount of work in the docs tree this time around, including: - Extensive RST conversions and organizational work in the memory-management docs thanks to Mike Rapoport. - An update of Documentation/features from Andrea Parri and a script to keep it updated. - Various LICENSES updates from Thomas, along with a script to check SPDX tags. - Work to fix dangling references to documentation files; this involved a fair number of one-liner comment changes outside of Documentation/ ... and the usual list of documentation improvements, typo fixes, etc" * tag 'docs-4.18' of git://git.lwn.net/linux: (103 commits) Documentation: document hung_task_panic kernel parameter docs/admin-guide/mm: add high level concepts overview docs/vm: move ksm and transhuge from "user" to "internals" section. docs: Use the kerneldoc comments for memalloc_no*() doc: document scope NOFS, NOIO APIs docs: update kernel versions and dates in tables docs/vm: transhuge: split userspace bits to admin-guide/mm/transhuge docs/vm: transhuge: minor updates docs/vm: transhuge: change sections order Documentation: arm: clean up Marvell Berlin family info Documentation: gpio: driver: Fix a typo and some odd grammar docs: ranoops.rst: fix location of ramoops.txt scripts/documentation-file-ref-check: rewrite it in perl with auto-fix mode docs: uio-howto.rst: use a code block to solve a warning mm, THP, doc: Add document for thp_swpout/thp_swpout_fallback w1: w1_io.c: fix a kernel-doc warning Documentation/process/posting: wrap text at 80 cols docs: admin-guide: add cgroup-v2 documentation Revert "Documentation/features/vm: Remove arch support status file for 'pte_special'" Documentation: refcount-vs-atomic: Update reference to LKMM doc. ...
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r--Documentation/filesystems/proc.txt8
-rw-r--r--Documentation/filesystems/tmpfs.txt5
2 files changed, 8 insertions, 5 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 2a84bb334894..520f6a84cf50 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -515,7 +515,8 @@ guarantees:
515 515
516The /proc/PID/clear_refs is used to reset the PG_Referenced and ACCESSED/YOUNG 516The /proc/PID/clear_refs is used to reset the PG_Referenced and ACCESSED/YOUNG
517bits on both physical and virtual pages associated with a process, and the 517bits on both physical and virtual pages associated with a process, and the
518soft-dirty bit on pte (see Documentation/vm/soft-dirty.txt for details). 518soft-dirty bit on pte (see Documentation/admin-guide/mm/soft-dirty.rst
519for details).
519To clear the bits for all the pages associated with the process 520To clear the bits for all the pages associated with the process
520 > echo 1 > /proc/PID/clear_refs 521 > echo 1 > /proc/PID/clear_refs
521 522
@@ -536,7 +537,8 @@ Any other value written to /proc/PID/clear_refs will have no effect.
536 537
537The /proc/pid/pagemap gives the PFN, which can be used to find the pageflags 538The /proc/pid/pagemap gives the PFN, which can be used to find the pageflags
538using /proc/kpageflags and number of times a page is mapped using 539using /proc/kpageflags and number of times a page is mapped using
539/proc/kpagecount. For detailed explanation, see Documentation/vm/pagemap.txt. 540/proc/kpagecount. For detailed explanation, see
541Documentation/admin-guide/mm/pagemap.rst.
540 542
541The /proc/pid/numa_maps is an extension based on maps, showing the memory 543The /proc/pid/numa_maps is an extension based on maps, showing the memory
542locality and binding policy, as well as the memory usage (in pages) of 544locality and binding policy, as well as the memory usage (in pages) of
@@ -564,7 +566,7 @@ address policy mapping details
564 566
565Where: 567Where:
566"address" is the starting address for the mapping; 568"address" is the starting address for the mapping;
567"policy" reports the NUMA memory policy set for the mapping (see vm/numa_memory_policy.txt); 569"policy" reports the NUMA memory policy set for the mapping (see Documentation/admin-guide/mm/numa_memory_policy.rst);
568"mapping details" summarizes mapping data such as mapping type, page usage counters, 570"mapping details" summarizes mapping data such as mapping type, page usage counters,
569node locality page counters (N0 == node0, N1 == node1, ...) and the kernel page 571node locality page counters (N0 == node0, N1 == node1, ...) and the kernel page
570size, in KB, that is backing the mapping up. 572size, in KB, that is backing the mapping up.
diff --git a/Documentation/filesystems/tmpfs.txt b/Documentation/filesystems/tmpfs.txt
index a85355cf85f4..d06e9a59a9f4 100644
--- a/Documentation/filesystems/tmpfs.txt
+++ b/Documentation/filesystems/tmpfs.txt
@@ -105,8 +105,9 @@ policy for the file will revert to "default" policy.
105NUMA memory allocation policies have optional flags that can be used in 105NUMA memory allocation policies have optional flags that can be used in
106conjunction with their modes. These optional flags can be specified 106conjunction with their modes. These optional flags can be specified
107when tmpfs is mounted by appending them to the mode before the NodeList. 107when tmpfs is mounted by appending them to the mode before the NodeList.
108See Documentation/vm/numa_memory_policy.txt for a list of all available 108See Documentation/admin-guide/mm/numa_memory_policy.rst for a list of
109memory allocation policy mode flags and their effect on memory policy. 109all available memory allocation policy mode flags and their effect on
110memory policy.
110 111
111 =static is equivalent to MPOL_F_STATIC_NODES 112 =static is equivalent to MPOL_F_STATIC_NODES
112 =relative is equivalent to MPOL_F_RELATIVE_NODES 113 =relative is equivalent to MPOL_F_RELATIVE_NODES