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Merge branch 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback

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* 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback:
  squeeze max-pause area and drop pass-good area
This commit is contained in:
Linus Torvalds 2011-08-25 10:40:12 -07:00
commit e33f2d238e
2 changed files with 2 additions and 24 deletions
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11
include/linux/writeback.h
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@ -12,15 +12,6 @@
*
* (thresh - thresh/DIRTY_FULL_SCOPE, thresh)
*
* The 1/16 region above the global dirty limit will be put to maximum pauses:
*
* (limit, limit + limit/DIRTY_MAXPAUSE_AREA)
*
* The 1/16 region above the max-pause region, dirty exceeded bdi's will be put
* to loops:
*
* (limit + limit/DIRTY_MAXPAUSE_AREA, limit + limit/DIRTY_PASSGOOD_AREA)
*
* Further beyond, all dirtier tasks will enter a loop waiting (possibly long
* time) for the dirty pages to drop, unless written enough pages.
*
@ -31,8 +22,6 @@
*/
#define DIRTY_SCOPE 8
#define DIRTY_FULL_SCOPE (DIRTY_SCOPE / 2)
#define DIRTY_MAXPAUSE_AREA 16
#define DIRTY_PASSGOOD_AREA 8
/*
* 4MB minimal write chunk size