diff options
Diffstat (limited to 'fs/proc/proc_misc.c')
| -rw-r--r-- | fs/proc/proc_misc.c | 111 |
1 files changed, 53 insertions, 58 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index b675a49c182..61b25f4eabe 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -45,7 +45,6 @@ #include <linux/blkdev.h> #include <linux/hugetlb.h> #include <linux/jiffies.h> -#include <linux/sysrq.h> #include <linux/vmalloc.h> #include <linux/crash_dump.h> #include <linux/pid_namespace.h> @@ -137,6 +136,8 @@ static int meminfo_read_proc(char *page, char **start, off_t off, unsigned long allowed; struct vmalloc_info vmi; long cached; + unsigned long pages[NR_LRU_LISTS]; + int lru; /* * display in kilobytes. @@ -155,51 +156,70 @@ static int meminfo_read_proc(char *page, char **start, off_t off, get_vmalloc_info(&vmi); + for (lru = LRU_BASE; lru < NR_LRU_LISTS; lru++) + pages[lru] = global_page_state(NR_LRU_BASE + lru); + /* * Tagged format, for easy grepping and expansion. */ len = sprintf(page, - "MemTotal: %8lu kB\n" - "MemFree: %8lu kB\n" - "Buffers: %8lu kB\n" - "Cached: %8lu kB\n" - "SwapCached: %8lu kB\n" - "Active: %8lu kB\n" - "Inactive: %8lu kB\n" + "MemTotal: %8lu kB\n" + "MemFree: %8lu kB\n" + "Buffers: %8lu kB\n" + "Cached: %8lu kB\n" + "SwapCached: %8lu kB\n" + "Active: %8lu kB\n" + "Inactive: %8lu kB\n" + "Active(anon): %8lu kB\n" + "Inactive(anon): %8lu kB\n" + "Active(file): %8lu kB\n" + "Inactive(file): %8lu kB\n" +#ifdef CONFIG_UNEVICTABLE_LRU + "Unevictable: %8lu kB\n" + "Mlocked: %8lu kB\n" +#endif #ifdef CONFIG_HIGHMEM - "HighTotal: %8lu kB\n" - "HighFree: %8lu kB\n" - "LowTotal: %8lu kB\n" - "LowFree: %8lu kB\n" + "HighTotal: %8lu kB\n" + "HighFree: %8lu kB\n" + "LowTotal: %8lu kB\n" + "LowFree: %8lu kB\n" #endif - "SwapTotal: %8lu kB\n" - "SwapFree: %8lu kB\n" - "Dirty: %8lu kB\n" - "Writeback: %8lu kB\n" - "AnonPages: %8lu kB\n" - "Mapped: %8lu kB\n" - "Slab: %8lu kB\n" - "SReclaimable: %8lu kB\n" - "SUnreclaim: %8lu kB\n" - "PageTables: %8lu kB\n" + "SwapTotal: %8lu kB\n" + "SwapFree: %8lu kB\n" + "Dirty: %8lu kB\n" + "Writeback: %8lu kB\n" + "AnonPages: %8lu kB\n" + "Mapped: %8lu kB\n" + "Slab: %8lu kB\n" + "SReclaimable: %8lu kB\n" + "SUnreclaim: %8lu kB\n" + "PageTables: %8lu kB\n" #ifdef CONFIG_QUICKLIST - "Quicklists: %8lu kB\n" + "Quicklists: %8lu kB\n" #endif - "NFS_Unstable: %8lu kB\n" - "Bounce: %8lu kB\n" - "WritebackTmp: %8lu kB\n" - "CommitLimit: %8lu kB\n" - "Committed_AS: %8lu kB\n" - "VmallocTotal: %8lu kB\n" - "VmallocUsed: %8lu kB\n" - "VmallocChunk: %8lu kB\n", + "NFS_Unstable: %8lu kB\n" + "Bounce: %8lu kB\n" + "WritebackTmp: %8lu kB\n" + "CommitLimit: %8lu kB\n" + "Committed_AS: %8lu kB\n" + "VmallocTotal: %8lu kB\n" + "VmallocUsed: %8lu kB\n" + "VmallocChunk: %8lu kB\n", K(i.totalram), K(i.freeram), K(i.bufferram), K(cached), K(total_swapcache_pages), - K(global_page_state(NR_ACTIVE)), - K(global_page_state(NR_INACTIVE)), + K(pages[LRU_ACTIVE_ANON] + pages[LRU_ACTIVE_FILE]), + K(pages[LRU_INACTIVE_ANON] + pages[LRU_INACTIVE_FILE]), + K(pages[LRU_ACTIVE_ANON]), + K(pages[LRU_INACTIVE_ANON]), + K(pages[LRU_ACTIVE_FILE]), + K(pages[LRU_INACTIVE_FILE]), +#ifdef CONFIG_UNEVICTABLE_LRU + K(pages[LRU_UNEVICTABLE]), + K(global_page_state(NR_MLOCK)), +#endif #ifdef CONFIG_HIGHMEM K(i.totalhigh), K(i.freehigh), @@ -704,28 +724,6 @@ static int execdomains_read_proc(char *page, char **start, off_t off, return proc_calc_metrics(page, start, off, count, eof, len); } -#ifdef CONFIG_MAGIC_SYSRQ -/* - * writing 'C' to /proc/sysrq-trigger is like sysrq-C - */ -static ssize_t write_sysrq_trigger(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) -{ - if (count) { - char c; - - if (get_user(c, buf)) - return -EFAULT; - __handle_sysrq(c, NULL, 0); - } - return count; -} - -static const struct file_operations proc_sysrq_trigger_operations = { - .write = write_sysrq_trigger, -}; -#endif - #ifdef CONFIG_PROC_PAGE_MONITOR #define KPMSIZE sizeof(u64) #define KPMMASK (KPMSIZE - 1) @@ -934,7 +932,4 @@ void __init proc_misc_init(void) #ifdef CONFIG_PROC_VMCORE proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, &proc_vmcore_operations); #endif -#ifdef CONFIG_MAGIC_SYSRQ - proc_create("sysrq-trigger", S_IWUSR, NULL, &proc_sysrq_trigger_operations); -#endif } |