Messages in this thread | | | Date | Fri, 21 Aug 2015 08:33:01 +0200 | From | Michal Hocko <> | Subject | Re: [PATCH v5 1/2] mm: hugetlb: proc: add HugetlbPages field to /proc/PID/smaps |
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On Thu 20-08-15 23:20:12, Naoya Horiguchi wrote: [...] > From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> > Date: Fri, 21 Aug 2015 08:13:31 +0900 > Subject: [PATCH] Documentation/filesystems/proc.txt: give additional comment > about hugetlb usage > > --- > Documentation/filesystems/proc.txt | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt > index f561fc46e41b..b775b6faaeda 100644 > --- a/Documentation/filesystems/proc.txt > +++ b/Documentation/filesystems/proc.txt > @@ -446,7 +446,8 @@ indicates the amount of memory currently marked as referenced or 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. > "AnonHugePages" shows the ammount of memory backed by transparent hugepage. > -"HugetlbPages" shows the ammount of memory backed by hugetlbfs page. > +"HugetlbPages" shows the ammount of memory backed by hugetlbfs page (which is > +not counted in "Rss" or "Pss" field for historical reasons.) > "Swap" shows how much would-be-anonymous memory is also used, but out on swap. > > "VmFlags" field deserves a separate description. This member represents the kernel
Thank you! -- Michal Hocko SUSE Labs
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