From 8dc269185dc7930b040ca67600a7e60b1ae8086c Mon Sep 17 00:00:00 2001 From: Michael Trimarchi Date: Thu, 29 Jan 2009 14:27:53 +0000 Subject: Remove old android Remove old android support. Signed-off-by: Michael Trimarchi --- drivers/misc/Kconfig | 5 -- drivers/misc/Makefile | 1 - drivers/misc/lowmemorykiller.c | 119 ----------------------------------------- 3 files changed, 125 deletions(-) delete mode 100644 drivers/misc/lowmemorykiller.c (limited to 'drivers/misc') diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index e4d38f8bf9b..083dbc7c5d1 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -146,11 +146,6 @@ config ICS932S401 This driver can also be built as a module. If so, the module will be called ics932s401. -config LOW_MEMORY_KILLER - tristate "Low Memory Killer" - ---help--- - Register processes to be killed when memory is low. - config ATMEL_SSC tristate "Device driver for Atmel SSC peripheral" depends on AVR32 || ARCH_AT91 diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index 9153c6dbcae..c2c429d9a03 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -21,7 +21,6 @@ obj-$(CONFIG_SGI_GRU) += sgi-gru/ obj-$(CONFIG_HP_ILO) += hpilo.o obj-$(CONFIG_C2PORT) += c2port/ obj-$(CONFIG_MACH_SMDK6410) += smdk6410-sleeptest.o -obj-$(CONFIG_LOW_MEMORY_KILLER) += lowmemorykiller.o obj-$(CONFIG_MACH_NEO1973) += neo1973_version.o \ neo1973_pm_host.o \ neo1973_pm_resume_reason.o diff --git a/drivers/misc/lowmemorykiller.c b/drivers/misc/lowmemorykiller.c deleted file mode 100644 index 3715d56ca96..00000000000 --- a/drivers/misc/lowmemorykiller.c +++ /dev/null @@ -1,119 +0,0 @@ -/* drivers/misc/lowmemorykiller.c - * - * Copyright (C) 2007-2008 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include -#include -#include -#include -#include - -static int lowmem_shrink(int nr_to_scan, gfp_t gfp_mask); - -static struct shrinker lowmem_shrinker = { - .shrink = lowmem_shrink, - .seeks = DEFAULT_SEEKS * 16 -}; -static uint32_t lowmem_debug_level = 2; -static int lowmem_adj[6] = { - 0, - 1, - 6, - 12, -}; -static int lowmem_adj_size = 4; -static size_t lowmem_minfree[6] = { - 3*512, // 6MB - 2*1024, // 8MB - 4*1024, // 16MB - 16*1024, // 64MB -}; -static int lowmem_minfree_size = 4; - -#define lowmem_print(level, x...) do { if(lowmem_debug_level >= (level)) printk(x); } while(0) - -module_param_named(cost, lowmem_shrinker.seeks, int, S_IRUGO | S_IWUSR); -module_param_array_named(adj, lowmem_adj, int, &lowmem_adj_size, S_IRUGO | S_IWUSR); -module_param_array_named(minfree, lowmem_minfree, uint, &lowmem_minfree_size, S_IRUGO | S_IWUSR); -module_param_named(debug_level, lowmem_debug_level, uint, S_IRUGO | S_IWUSR); - -static int lowmem_shrink(int nr_to_scan, gfp_t gfp_mask) -{ - struct task_struct *p; - struct task_struct *selected = NULL; - int rem = 0; - int tasksize; - int i; - int min_adj = OOM_ADJUST_MAX + 1; - int selected_tasksize = 0; - int array_size = ARRAY_SIZE(lowmem_adj); - int other_free = global_page_state(NR_FREE_PAGES) + global_page_state(NR_FILE_PAGES); - if(lowmem_adj_size < array_size) - array_size = lowmem_adj_size; - if(lowmem_minfree_size < array_size) - array_size = lowmem_minfree_size; - for(i = 0; i < array_size; i++) { - if(other_free < lowmem_minfree[i]) { - min_adj = lowmem_adj[i]; - break; - } - } - if(nr_to_scan > 0) - lowmem_print(3, "lowmem_shrink %d, %x, ofree %d, ma %d\n", nr_to_scan, gfp_mask, other_free, min_adj); - read_lock(&tasklist_lock); - for_each_process(p) { - if(p->oomkilladj >= 0 && p->mm) { - tasksize = get_mm_rss(p->mm); - if(nr_to_scan > 0 && tasksize > 0 && p->oomkilladj >= min_adj) { - if(selected == NULL || - p->oomkilladj > selected->oomkilladj || - (p->oomkilladj == selected->oomkilladj && - tasksize > selected_tasksize)) { - selected = p; - selected_tasksize = tasksize; - lowmem_print(2, "select %d (%s), adj %d, size %d, to kill\n", - p->pid, p->comm, p->oomkilladj, tasksize); - } - } - rem += tasksize; - } - } - if(selected != NULL) { - lowmem_print(1, "send sigkill to %d (%s), adj %d, size %d\n", - selected->pid, selected->comm, - selected->oomkilladj, selected_tasksize); - force_sig(SIGKILL, selected); - rem -= selected_tasksize; - } - lowmem_print(4, "lowmem_shrink %d, %x, return %d\n", nr_to_scan, gfp_mask, rem); - read_unlock(&tasklist_lock); - return rem; -} - -static int __init lowmem_init(void) -{ - register_shrinker(&lowmem_shrinker); - return 0; -} - -static void __exit lowmem_exit(void) -{ - unregister_shrinker(&lowmem_shrinker); -} - -module_init(lowmem_init); -module_exit(lowmem_exit); - -MODULE_LICENSE("GPL"); - -- cgit v1.2.3