diff options
Diffstat (limited to 'mm/swap.c')
| -rw-r--r-- | mm/swap.c | 12 |
1 files changed, 7 insertions, 5 deletions
@@ -15,7 +15,6 @@ #include <linux/mm.h> #include <linux/sched.h> -#include <linux/head.h> #include <linux/kernel.h> #include <linux/kernel_stat.h> #include <linux/errno.h> @@ -56,12 +55,15 @@ atomic_t nr_async_pages = ATOMIC_INIT(0); * Constants for the page aging mechanism: the maximum age (actually, * the maximum "youthfulness"); the quanta by which pages rejuvenate * and age; and the initial age for new pages. + * + * The "pageout_weight" is strictly a fixedpoint number with the + * ten low bits being the fraction (ie 8192 really means "8.0"). */ - swap_control_t swap_control = { 20, 3, 1, 3, /* Page aging */ 32, 4, /* Aging cluster */ - 8192, 8192, /* Pageout and bufferout weights */ + 8192, /* sc_pageout_weight aka PAGEOUT_WEIGHT */ + 8192, /* sc_bufferout_weight aka BUFFEROUT_WEIGHT */ }; swapstat_t swapstats = {0}; @@ -69,11 +71,11 @@ swapstat_t swapstats = {0}; buffer_mem_t buffer_mem = { 5, /* minimum percent buffer */ 25, /* borrow percent buffer */ - 50 /* maximum percent buffer */ + 60 /* maximum percent buffer */ }; buffer_mem_t page_cache = { - 10, /* minimum percent page cache */ + 5, /* minimum percent page cache */ 30, /* borrow percent page cache */ 75 /* maximum */ }; |