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authorLinus Torvalds <torvalds@linux-foundation.org>2020-06-26 22:19:36 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-26 22:19:36 +0300
commit7c902e273019ce60c1cb4d195e3cfd803969fd04 (patch)
tree72689ca58adee5750e7856f2e807d6b1a0c63c70 /Documentation
parent4a21185cda0fbb860580eeeb4f1a70a9cda332a4 (diff)
parent19ef1f9dfeffe2bfbeaf624277a179b1c0eef201 (diff)
downloadlinux-7c902e273019ce60c1cb4d195e3cfd803969fd04.tar.xz
Merge branch 'akpm' (patches from Andrew)
Merge misx fixes from Andrew Morton: "31 patches. Subsystems affected by this patch series: hotfixes, mm/pagealloc, kexec, ocfs2, lib, mm/slab, mm/slab, mm/slub, mm/swap, mm/pagemap, mm/vmalloc, mm/memcg, mm/gup, mm/thp, mm/vmscan, x86, mm/memory-hotplug, MAINTAINERS" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (31 commits) MAINTAINERS: update info for sparse mm/memory_hotplug.c: fix false softlockup during pfn range removal mm: remove vmalloc_exec arm64: use PAGE_KERNEL_ROX directly in alloc_insn_page x86/hyperv: allocate the hypercall page with only read and execute bits mm/memory: fix IO cost for anonymous page mm/swap: fix for "mm: workingset: age nonresident information alongside anonymous pages" mm: workingset: age nonresident information alongside anonymous pages doc: THP CoW fault no longer allocate THP docs: mm/gup: minor documentation update mm/memcontrol.c: prevent missed memory.low load tears mm/memcontrol.c: add missed css_put() mm: memcontrol: handle div0 crash race condition in memory.low mm/vmalloc.c: fix a warning while make xmldocs media: omap3isp: remove cacheflush.h make asm-generic/cacheflush.h more standalone mm/debug_vm_pgtable: fix build failure with powerpc 8xx mm/memory.c: properly pte_offset_map_lock/unlock in vm_insert_pages() mm: fix swap cache node allocation mask slub: cure list_slab_objects() from double fix ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/admin-guide/cgroup-v2.rst4
-rw-r--r--Documentation/admin-guide/mm/transhuge.rst3
-rw-r--r--Documentation/core-api/pin_user_pages.rst2
3 files changed, 4 insertions, 5 deletions
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index ce3e05e41724..d09471aa7443 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1356,8 +1356,8 @@ PAGE_SIZE multiple when read back.
thp_fault_alloc
Number of transparent hugepages which were allocated to satisfy
- a page fault, including COW faults. This counter is not present
- when CONFIG_TRANSPARENT_HUGEPAGE is not set.
+ a page fault. This counter is not present when CONFIG_TRANSPARENT_HUGEPAGE
+ is not set.
thp_collapse_alloc
Number of transparent hugepages which were allocated to allow
diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/admin-guide/mm/transhuge.rst
index 6a233e42be08..b2acd0d395ca 100644
--- a/Documentation/admin-guide/mm/transhuge.rst
+++ b/Documentation/admin-guide/mm/transhuge.rst
@@ -305,8 +305,7 @@ monitor how successfully the system is providing huge pages for use.
thp_fault_alloc
is incremented every time a huge page is successfully
- allocated to handle a page fault. This applies to both the
- first time a page is faulted and for COW faults.
+ allocated to handle a page fault.
thp_collapse_alloc
is incremented by khugepaged when it has found
diff --git a/Documentation/core-api/pin_user_pages.rst b/Documentation/core-api/pin_user_pages.rst
index 6068266dd303..7ca8c7bac650 100644
--- a/Documentation/core-api/pin_user_pages.rst
+++ b/Documentation/core-api/pin_user_pages.rst
@@ -33,7 +33,7 @@ all combinations of get*(), pin*(), FOLL_LONGTERM, and more. Also, the
pin_user_pages*() APIs are clearly distinct from the get_user_pages*() APIs, so
that's a natural dividing line, and a good point to make separate wrapper calls.
In other words, use pin_user_pages*() for DMA-pinned pages, and
-get_user_pages*() for other cases. There are four cases described later on in
+get_user_pages*() for other cases. There are five cases described later on in
this document, to further clarify that concept.
FOLL_PIN and FOLL_GET are mutually exclusive for a given gup call. However,