diff options
| author | Andrew Morton <akpm@digeo.com> | 2003-04-08 21:29:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.transmeta.com> | 2003-04-08 21:29:58 -0700 |
| commit | 596c3a20754aea9470b4a92cec925d0feeca50c7 (patch) | |
| tree | 9e8b88218bab783a09c3e5f87d9e392a65654ad8 /include/linux | |
| parent | 7ffbbaf2145ea62319ca9331fa5f98333601f8d5 (diff) | |
[PATCH] remove nr_reverse_maps VM accounting
Maintaining the `nr_reverse_maps' provides makes a small but
measurable decrease in page_add_rmap() overhead.
I don't think it's a very useful metric, and it can be sort-of inferred from
slabinfo.
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/page-flags.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index efe51537c564..b4d254418509 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -83,7 +83,6 @@ struct page_state { unsigned long nr_dirty; /* Dirty writeable pages */ unsigned long nr_writeback; /* Pages under writeback */ unsigned long nr_page_table_pages;/* Pages used for pagetables */ - unsigned long nr_reverse_maps; /* includes PageDirect */ unsigned long nr_mapped; /* mapped into pagetables */ unsigned long nr_slab; /* In slab */ #define GET_PAGE_STATE_LAST nr_slab |