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

From: Ryan Roberts
Date: Wed Aug 24 2022 - 09:47:43 EST


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