Re: [PATCH v7 1/4] mm: add NR_SECONDARY_PAGETABLE to count secondary page table uses.

Ryan Roberts <ryan.roberts@xxxxxxx> · Wed, 24 Aug 2022 14:41:49 +0100

diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index e7aafc82be99..898c99eae8e4 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -982,6 +982,7 @@ Example output. You may not have all of these fields.
      SUnreclaim:       142336 kB
      KernelStack:       11168 kB
      PageTables:        20540 kB
+    SecPageTables:         0 kB
      NFS_Unstable:          0 kB
      Bounce:                0 kB
      WritebackTmp:          0 kB
@@ -1090,6 +1091,9 @@ KernelStack
                Memory consumed by the kernel stacks of all tasks
  PageTables
                Memory consumed by userspace page tables
+SecPageTables
+              Memory consumed by secondary page tables, this currently
+              currently includes KVM mmu allocations on x86 and arm64.

nit: I think you have a typo here: "currently currently".

Thanks,
Ryan
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