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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2012-11-19 03:14:23 +0100 |
|---|---|---|
| committer | Mel Gorman <mgorman@suse.de> | 2012-12-11 14:28:34 +0000 |
| commit | 7da4d641c58d201c3cc1835c05ca1a7fa26f0856 (patch) | |
| tree | bf40cc40433383ee94559ea2ef19a282dead358f /mm/vmstat.c | |
| parent | 4fd017708c4a067da51a2b5cf8aedddf4e840b1f (diff) | |
| download | linux-7da4d641c58d201c3cc1835c05ca1a7fa26f0856.tar.bz2 | |
mm: Count the number of pages affected in change_protection()
This will be used for three kinds of purposes:
- to optimize mprotect()
- to speed up working set scanning for working set areas that
have not been touched
- to more accurately scan per real working set
No change in functionality from this patch.
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Hugh Dickins <hughd@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/vmstat.c')
0 files changed, 0 insertions, 0 deletions