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| author | Mel Gorman <mgorman@suse.de> | 2015-06-30 23:57:20 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-07-01 04:44:56 +0200 |
| commit | ac5d2539b2382689b1cdb90bd60dcd49f61c2773 (patch) | |
| tree | b48f21e19d6b6bb9c50a3af7fdf81d22fceca125 /mm/internal.h | |
| parent | mm: meminit: free pages in large chunks where possible (diff) | |
| download | linux-ac5d2539b2382689b1cdb90bd60dcd49f61c2773.tar.xz linux-ac5d2539b2382689b1cdb90bd60dcd49f61c2773.zip | |
mm: meminit: reduce number of times pageblocks are set during struct page init
During parallel sturct page initialisation, ranges are checked for every
PFN unnecessarily which increases boot times. This patch alters when the
ranges are checked.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Tested-by: Nate Zimmer <nzimmer@sgi.com>
Tested-by: Waiman Long <waiman.long@hp.com>
Tested-by: Daniel J Blueman <daniel@numascale.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Robin Holt <robinmholt@gmail.com>
Cc: Nate Zimmer <nzimmer@sgi.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Waiman Long <waiman.long@hp.com>
Cc: Scott Norton <scott.norton@hp.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/internal.h')
0 files changed, 0 insertions, 0 deletions