The patch titled
mm: add comments to explain mm_struct fields
has been added to the -mm tree. Its filename is
mm-add-comments-to-explain-mm_struct-fields.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: mm: add comments to explain mm_struct fields
From: Christoph Lameter <cl@xxxxxxxxx>
Add comments to explain the page statistics field in the mm_struct.
Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm_types.h | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff -puN include/linux/mm_types.h~mm-add-comments-to-explain-mm_struct-fields include/linux/mm_types.h
--- a/include/linux/mm_types.h~mm-add-comments-to-explain-mm_struct-fields
+++ a/include/linux/mm_types.h
@@ -281,8 +281,15 @@ struct mm_struct {
unsigned long hiwater_rss; /* High-watermark of RSS usage */
unsigned long hiwater_vm; /* High-water virtual memory usage */
- unsigned long total_vm, locked_vm, pinned_vm, shared_vm, exec_vm;
- unsigned long stack_vm, reserved_vm, def_flags, nr_ptes;
+ unsigned long total_vm; /* Total pages mapped */
+ unsigned long locked_vm /* Pages that have PG_mlocked set */
+ unsigned long pinned_vm; /* Refcount permanently increased */
+ unsigned long shared_vm; /* Shared pages (files) */
+ unsigned long exec_vm; /* VM_EXEC & ~VM_WRITE */
+ unsigned long stack_vm; /* VM_GROWSUP/DOWN */
+ unsigned long reserved_vm; /* VM_RESERVED|VM_IO pages */
+ unsigned long def_flags;
+ unsigned long nr_ptes; /* Page table pages */
unsigned long start_code, end_code, start_data, end_data;
unsigned long start_brk, brk, start_stack;
unsigned long arg_start, arg_end, env_start, env_end;
_
Patches currently in -mm which might be from cl@xxxxxxxxx are
mm-distinguish-between-mlocked-and-pinned-pages.patch
mm-add-comments-to-explain-mm_struct-fields.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
