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author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-09-05 10:56:27 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-09-05 10:56:27 -0700 |
commit | 5eea5820c7340d39e56e169e1b87199391105f6b (patch) | |
tree | 807d640dc77fa1d9fb9b12cc8ba234925b177031 /Documentation/filesystems | |
parent | 893a259caa6f08477bff2bccf1df0cdff38271ac (diff) | |
parent | e68d343d2720779362cb7160cb7f4bd24979b2b4 (diff) |
Merge tag 'mm-stable-2023-09-04-14-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
- Stefan Roesch has added ksm statistics to /proc/pid/smaps
- Also a number of singleton patches, mainly cleanups and leftovers
* tag 'mm-stable-2023-09-04-14-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/kmemleak: move up cond_resched() call in page scanning loop
mm: page_alloc: remove stale CMA guard code
MAINTAINERS: add rmap.h to mm entry
rmap: remove anon_vma_link() nommu stub
proc/ksm: add ksm stats to /proc/pid/smaps
mm/hwpoison: rename hwp_walk* to hwpoison_walk*
mm: memory-failure: add PageOffline() check
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r-- | Documentation/filesystems/proc.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst index 1f9615553b82..2b59cff8be17 100644 --- a/Documentation/filesystems/proc.rst +++ b/Documentation/filesystems/proc.rst @@ -461,6 +461,7 @@ Memory Area, or VMA) there is a series of lines such as the following:: Private_Dirty: 0 kB Referenced: 892 kB Anonymous: 0 kB + KSM: 0 kB LazyFree: 0 kB AnonHugePages: 0 kB ShmemPmdMapped: 0 kB @@ -501,6 +502,9 @@ accessed. a mapping associated with a file may contain anonymous pages: when MAP_PRIVATE and a page is modified, the file page is replaced by a private anonymous copy. +"KSM" reports how many of the pages are KSM pages. Note that KSM-placed zeropages +are not included, only actual KSM pages. + "LazyFree" shows the amount of memory which is marked by madvise(MADV_FREE). The memory isn't freed immediately with madvise(). It's freed in memory pressure if the memory is clean. Please note that the printed value might |