X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fsysctl.c;h=e82726faeeffb4850cc49cc6e112cf28b143d4cb;hb=b278240839e20fa9384ea430df463b367b90e04e;hp=de2d9109194ef75a6bb5257bf06de852c98f9366;hpb=155ec9e63da962bf26ffc65a4088c6cc935f28db;p=pandora-kernel.git diff --git a/kernel/sysctl.c b/kernel/sysctl.c index de2d9109194e..bcb3a181dbb2 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -18,7 +18,6 @@ * Removed it and replaced it with older style, 03/23/00, Bill Wendling */ -#include #include #include #include @@ -50,12 +49,16 @@ #include #include +extern int proc_nr_files(ctl_table *table, int write, struct file *filp, + void __user *buffer, size_t *lenp, loff_t *ppos); + #if defined(CONFIG_SYSCTL) /* External variables not in a header file. */ extern int C_A_D; extern int sysctl_overcommit_memory; extern int sysctl_overcommit_ratio; +extern int sysctl_panic_on_oom; extern int max_threads; extern int sysrq_enabled; extern int core_uses_pid; @@ -69,11 +72,13 @@ extern int printk_ratelimit_burst; extern int pid_max_min, pid_max_max; extern int sysctl_drop_caches; extern int percpu_pagelist_fraction; +extern int compat_log; #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) int unknown_nmi_panic; -extern int proc_unknown_nmi_panic(ctl_table *, int, struct file *, - void __user *, size_t *, loff_t *); +int nmi_watchdog_enabled; +extern int proc_nmi_enabled(struct ctl_table *, int , struct file *, + void __user *, size_t *, loff_t *); #endif /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */ @@ -128,6 +133,10 @@ extern int acct_parm[]; extern int no_unaligned_warning; #endif +#ifdef CONFIG_RT_MUTEXES +extern int max_lock_depth; +#endif + static int parse_table(int __user *, int, void __user *, size_t __user *, void __user *, size_t, ctl_table *, void **); static int proc_doutsstring(ctl_table *table, int write, struct file *filp, @@ -139,7 +148,6 @@ static struct ctl_table_header root_table_header = static ctl_table kern_table[]; static ctl_table vm_table[]; -static ctl_table proc_table[]; static ctl_table fs_table[]; static ctl_table debug_table[]; static ctl_table dev_table[]; @@ -147,7 +155,7 @@ extern ctl_table random_table[]; #ifdef CONFIG_UNIX98_PTYS extern ctl_table pty_table[]; #endif -#ifdef CONFIG_INOTIFY +#ifdef CONFIG_INOTIFY_USER extern ctl_table inotify_table[]; #endif @@ -198,12 +206,6 @@ static ctl_table root_table[] = { .child = net_table, }, #endif - { - .ctl_name = CTL_PROC, - .procname = "proc", - .mode = 0555, - .child = proc_table, - }, { .ctl_name = CTL_FS, .procname = "fs", @@ -395,7 +397,7 @@ static ctl_table kern_table[] = { .strategy = &sysctl_string, }, #endif -#ifdef CONFIG_HOTPLUG +#if defined(CONFIG_HOTPLUG) && defined(CONFIG_NET) { .ctl_name = KERN_HOTPLUG, .procname = "hotplug", @@ -627,10 +629,26 @@ static ctl_table kern_table[] = { .data = &unknown_nmi_panic, .maxlen = sizeof (int), .mode = 0644, - .proc_handler = &proc_unknown_nmi_panic, + .proc_handler = &proc_dointvec, + }, + { + .ctl_name = KERN_NMI_WATCHDOG, + .procname = "nmi_watchdog", + .data = &nmi_watchdog_enabled, + .maxlen = sizeof (int), + .mode = 0644, + .proc_handler = &proc_nmi_enabled, }, #endif #if defined(CONFIG_X86) + { + .ctl_name = KERN_PANIC_ON_NMI, + .procname = "panic_on_unrecovered_nmi", + .data = &panic_on_unrecovered_nmi, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, { .ctl_name = KERN_BOOTLOADER_TYPE, .procname = "bootloader_type", @@ -680,6 +698,27 @@ static ctl_table kern_table[] = { .proc_handler = &proc_dointvec, }, #endif +#ifdef CONFIG_COMPAT + { + .ctl_name = KERN_COMPAT_LOG, + .procname = "compat-log", + .data = &compat_log, + .maxlen = sizeof (int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, +#endif +#ifdef CONFIG_RT_MUTEXES + { + .ctl_name = KERN_MAX_LOCK_DEPTH, + .procname = "max_lock_depth", + .data = &max_lock_depth, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, +#endif + { .ctl_name = 0 } }; @@ -698,6 +737,14 @@ static ctl_table vm_table[] = { .mode = 0644, .proc_handler = &proc_dointvec, }, + { + .ctl_name = VM_PANIC_ON_OOM, + .procname = "panic_on_oom", + .data = &sysctl_panic_on_oom, + .maxlen = sizeof(sysctl_panic_on_oom), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, { .ctl_name = VM_OVERCOMMIT_RATIO, .procname = "overcommit_ratio", @@ -739,18 +786,18 @@ static ctl_table vm_table[] = { { .ctl_name = VM_DIRTY_WB_CS, .procname = "dirty_writeback_centisecs", - .data = &dirty_writeback_centisecs, - .maxlen = sizeof(dirty_writeback_centisecs), + .data = &dirty_writeback_interval, + .maxlen = sizeof(dirty_writeback_interval), .mode = 0644, .proc_handler = &dirty_writeback_centisecs_handler, }, { .ctl_name = VM_DIRTY_EXPIRE_CS, .procname = "dirty_expire_centisecs", - .data = &dirty_expire_centisecs, - .maxlen = sizeof(dirty_expire_centisecs), + .data = &dirty_expire_interval, + .maxlen = sizeof(dirty_expire_interval), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec_userhz_jiffies, }, { .ctl_name = VM_NR_PDFLUSH_THREADS, @@ -845,9 +892,8 @@ static ctl_table vm_table[] = { .data = &laptop_mode, .maxlen = sizeof(laptop_mode), .mode = 0644, - .proc_handler = &proc_dointvec, - .strategy = &sysctl_intvec, - .extra1 = &zero, + .proc_handler = &proc_dointvec_jiffies, + .strategy = &sysctl_jiffies, }, { .ctl_name = VM_BLOCK_DUMP, @@ -904,19 +950,40 @@ static ctl_table vm_table[] = { .extra1 = &zero, }, { - .ctl_name = VM_ZONE_RECLAIM_INTERVAL, - .procname = "zone_reclaim_interval", - .data = &zone_reclaim_interval, - .maxlen = sizeof(zone_reclaim_interval), + .ctl_name = VM_MIN_UNMAPPED, + .procname = "min_unmapped_ratio", + .data = &sysctl_min_unmapped_ratio, + .maxlen = sizeof(sysctl_min_unmapped_ratio), .mode = 0644, - .proc_handler = &proc_dointvec_jiffies, - .strategy = &sysctl_jiffies, + .proc_handler = &sysctl_min_unmapped_ratio_sysctl_handler, + .strategy = &sysctl_intvec, + .extra1 = &zero, + .extra2 = &one_hundred, + }, + { + .ctl_name = VM_MIN_SLAB, + .procname = "min_slab_ratio", + .data = &sysctl_min_slab_ratio, + .maxlen = sizeof(sysctl_min_slab_ratio), + .mode = 0644, + .proc_handler = &sysctl_min_slab_ratio_sysctl_handler, + .strategy = &sysctl_intvec, + .extra1 = &zero, + .extra2 = &one_hundred, + }, +#endif +#ifdef CONFIG_X86_32 + { + .ctl_name = VM_VDSO_ENABLED, + .procname = "vdso_enabled", + .data = &vdso_enabled, + .maxlen = sizeof(vdso_enabled), + .mode = 0644, + .proc_handler = &proc_dointvec, + .strategy = &sysctl_intvec, + .extra1 = &zero, }, #endif - { .ctl_name = 0 } -}; - -static ctl_table proc_table[] = { { .ctl_name = 0 } }; @@ -943,7 +1010,7 @@ static ctl_table fs_table[] = { .data = &files_stat, .maxlen = 3*sizeof(int), .mode = 0444, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_nr_files, }, { .ctl_name = FS_MAXFILE, @@ -1026,7 +1093,7 @@ static ctl_table fs_table[] = { .mode = 0644, .proc_handler = &proc_doulongvec_minmax, }, -#ifdef CONFIG_INOTIFY +#ifdef CONFIG_INOTIFY_USER { .ctl_name = FS_INOTIFY, .procname = "inotify", @@ -2051,6 +2118,8 @@ static int do_proc_dointvec_jiffies_conv(int *negp, unsigned long *lvalp, int write, void *data) { if (write) { + if (*lvalp > LONG_MAX / HZ) + return 1; *valp = *negp ? -(*lvalp*HZ) : (*lvalp*HZ); } else { int val = *valp; @@ -2072,6 +2141,8 @@ static int do_proc_dointvec_userhz_jiffies_conv(int *negp, unsigned long *lvalp, int write, void *data) { if (write) { + if (USER_HZ < HZ && *lvalp > (LONG_MAX / HZ) * USER_HZ) + return 1; *valp = clock_t_to_jiffies(*negp ? -*lvalp : *lvalp); } else { int val = *valp;