litmus-rt.git - The LITMUS^RT kernel.

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author	Adrian Bunk <bunk@kernel.org>	2008-09-22 17:56:49 -0400
committer	James Bottomley <James.Bottomley@HansenPartnership.com>	2008-10-03 13:11:51 -0400
commit	b78ded89156827b50729518b1d13fea6defb46ee (patch)
tree	a245d80c2d43303d1ba619f36faead27a4204f04 /COPYING
parent	4a3e1ea8b2f25f962e91883be880de678bad8e3e (diff)

[SCSI] qla2xxx: remove the unused SCSI_QLOGIC_FC_FIRMWARE option

This option was forgotten when the SCSI_QLOGIC_FC driver was removed. Reported-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

Diffstat (limited to 'COPYING')

0 files changed, 0 insertions, 0 deletions

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/* * drivers/base/node.c - basic Node class support */ #include <linux/sysdev.h> #include <linux/module.h> #include <linux/init.h> #include <linux/mm.h> #include <linux/memory.h> #include <linux/node.h> #include <linux/hugetlb.h> #include <linux/cpumask.h> #include <linux/topology.h> #include <linux/nodemask.h> #include <linux/cpu.h> #include <linux/device.h> #include <linux/swap.h> static struct sysdev_class node_class = { .name = "node", }; static ssize_t node_read_cpumap(struct sys_device *dev, int type, char *buf) { struct node *node_dev = to_node(dev); const struct cpumask *mask = cpumask_of_node(node_dev->sysdev.id); int len; /* 2008/04/07: buf currently PAGE_SIZE, need 9 chars per 32 bits. */ BUILD_BUG_ON((NR_CPUS/32 * 9) > (PAGE_SIZE-1)); len = type? cpulist_scnprintf(buf, PAGE_SIZE-2, mask) : cpumask_scnprintf(buf, PAGE_SIZE-2, mask); buf[len++] = '\n'; buf[len] = '\0'; return len; } static inline ssize_t node_read_cpumask(struct sys_device *dev, struct sysdev_attribute *attr, char *buf) { return node_read_cpumap(dev, 0, buf); } static inline ssize_t node_read_cpulist(struct sys_device *dev, struct sysdev_attribute *attr, char *buf) { return node_read_cpumap(dev, 1, buf); } static SYSDEV_ATTR(cpumap, S_IRUGO, node_read_cpumask, NULL); static SYSDEV_ATTR(cpulist, S_IRUGO, node_read_cpulist, NULL); #define K(x) ((x) << (PAGE_SHIFT - 10)) static ssize_t node_read_meminfo(struct sys_device * dev, struct sysdev_attribute *attr, char * buf) { int n; int nid = dev->id; struct sysinfo i; si_meminfo_node(&i, nid); n = sprintf(buf, "\n" "Node %d MemTotal: %8lu kB\n" "Node %d MemFree: %8lu kB\n" "Node %d MemUsed: %8lu kB\n" "Node %d Active: %8lu kB\n" "Node %d Inactive: %8lu kB\n" "Node %d Active(anon): %8lu kB\n" "Node %d Inactive(anon): %8lu kB\n" "Node %d Active(file): %8lu kB\n" "Node %d Inactive(file): %8lu kB\n" "Node %d Unevictable: %8lu kB\n" "Node %d Mlocked: %8lu kB\n" #ifdef CONFIG_HIGHMEM "Node %d HighTotal: %8lu kB\n" "Node %d HighFree: %8lu kB\n" "Node %d LowTotal: %8lu kB\n" "Node %d LowFree: %8lu kB\n" #endif "Node %d Dirty: %8lu kB\n" "Node %d Writeback: %8lu kB\n" "Node %d FilePages: %8lu kB\n" "Node %d Mapped: %8lu kB\n" "Node %d AnonPages: %8lu kB\n" "Node %d Shmem: %8lu kB\n" "Node %d KernelStack: %8lu kB\n" "Node %d PageTables: %8lu kB\n" "Node %d NFS_Unstable: %8lu kB\n" "Node %d Bounce: %8lu kB\n" "Node %d WritebackTmp: %8lu kB\n" "Node %d Slab: %8lu kB\n" "Node %d SReclaimable: %8lu kB\n" "Node %d SUnreclaim: %8lu kB\n", nid, K(i.totalram), nid, K(i.freeram), nid, K(i.totalram - i.freeram), nid, K(node_page_state(nid, NR_ACTIVE_ANON) + node_page_state(nid, NR_ACTIVE_FILE)), nid, K(node_page_state(nid, NR_INACTIVE_ANON) + node_page_state(nid, NR_INACTIVE_FILE)), nid, K(node_page_state(nid, NR_ACTIVE_ANON)), nid, K(node_page_state(nid, NR_INACTIVE_ANON)), nid, K(node_page_state(nid, NR_ACTIVE_FILE)), nid, K(node_page_state(nid, NR_INACTIVE_FILE)), nid, K(node_page_state(nid, NR_UNEVICTABLE)), nid, K(node_page_state(nid, NR_MLOCK)), #ifdef CONFIG_HIGHMEM nid, K(i.totalhigh), nid, K(i.freehigh), nid, K(i.totalram - i.totalhigh), nid, K(i.freeram - i.freehigh), #endif nid, K(node_page_state(nid, NR_FILE_DIRTY)), nid, K(node_page_state(nid, NR_WRITEBACK)), nid, K(node_page_state(nid, NR_FILE_PAGES)), nid, K(node_page_state(nid, NR_FILE_MAPPED)), nid, K(node_page_state(nid, NR_ANON_PAGES)), nid, K(node_page_state(nid, NR_SHMEM)), nid, node_page_state(nid, NR_KERNEL_STACK) * THREAD_SIZE / 1024, nid, K(node_page_state(nid, NR_PAGETABLE)), nid, K(node_page_state(nid, NR_UNSTABLE_NFS)), nid, K(node_page_state(nid, NR_BOUNCE)), nid, K(node_page_state(nid, NR_WRITEBACK_TEMP)), nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) + node_page_state(nid, NR_SLAB_UNRECLAIMABLE)), nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)), nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))); n += hugetlb_report_node_meminfo(nid, buf + n); return n; } #undef K static SYSDEV_ATTR(meminfo, S_IRUGO, node_read_meminfo, NULL); static ssize_t node_read_numastat(struct sys_device * dev, struct sysdev_attribute *attr, char * buf) { return sprintf(buf, "numa_hit %lu\n" "numa_miss %lu\n" "numa_foreign %lu\n" "interleave_hit %lu\n" "local_node %lu\n" "other_node %lu\n", node_page_state(dev->id, NUMA_HIT), node_page_state(dev->id, NUMA_MISS), node_page_state(dev->id, NUMA_FOREIGN), node_page_state(dev->id, NUMA_INTERLEAVE_HIT), node_page_state(dev->id, NUMA_LOCAL), node_page_state(dev->id, NUMA_OTHER)); } static SYSDEV_ATTR(numastat, S_IRUGO, node_read_numastat, NULL); static ssize_t node_read_distance(struct sys_device * dev, struct sysdev_attribute *attr, char * buf) { int nid = dev->id; int len = 0; int i; /* buf currently PAGE_SIZE, need ~4 chars per node */ BUILD_BUG_ON(MAX_NUMNODES*4 > PAGE_SIZE/2); for_each_online_node(i) len += sprintf(buf + len, "%s%d", i ? " " : "", node_distance(nid, i)); len += sprintf(buf + len, "\n"); return len; } static SYSDEV_ATTR(distance, S_IRUGO, node_read_distance, NULL); /* * register_node - Setup a sysfs device for a node. * @num - Node number to use when creating the device. * * Initialize and register the node device. */ int register_node(struct node *node, int num, struct node *parent) { int error; node->sysdev.id = num; node->sysdev.cls = &node_class; error = sysdev_register(&node->sysdev); if (!error){ sysdev_create_file(&node->sysdev, &attr_cpumap); sysdev_create_file(&node->sysdev, &attr_cpulist); sysdev_create_file(&node->sysdev, &attr_meminfo); sysdev_create_file(&node->sysdev, &attr_numastat); sysdev_create_file(&node->sysdev, &attr_distance); scan_unevictable_register_node(node); } return error; } /** * unregister_node - unregister a node device * @node: node going away * * Unregisters a node device @node. All the devices on the node must be * unregistered before calling this function. */ void unregister_node(struct node *node) { sysdev_remove_file(&node->sysdev, &attr_cpumap); sysdev_remove_file(&node->sysdev, &attr_cpulist); sysdev_remove_file(&node->sysdev, &attr_meminfo); sysdev_remove_file(&node->sysdev, &attr_numastat); sysdev_remove_file(&node->sysdev, &attr_distance); scan_unevictable_unregister_node(node); sysdev_unregister(&node->sysdev); } struct node node_devices[MAX_NUMNODES]; /* * register cpu under node */ int register_cpu_under_node(unsigned int cpu, unsigned int nid) { if (node_online(nid)) { struct sys_device *obj = get_cpu_sysdev(cpu); if (!obj) return 0; return sysfs_create_link(&node_devices[nid].sysdev.kobj, &obj->kobj, kobject_name(&obj->kobj)); } return 0; } int unregister_cpu_under_node(unsigned int cpu, unsigned int nid) { if (node_online(nid)) { struct sys_device *obj = get_cpu_sysdev(cpu); if (obj) sysfs_remove_link(&node_devices[nid].sysdev.kobj, kobject_name(&obj->kobj)); } return 0; } #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE #define page_initialized(page) (page->lru.next) static int get_nid_for_pfn(unsigned long pfn) { struct page *page; if (!pfn_valid_within(pfn)) return -1; page = pfn_to_page(pfn); if (!page_initialized(page)) return -1; return pfn_to_nid(pfn); } /* register memory section under specified node if it spans that node */ int register_mem_sect_under_node(struct memory_block *mem_blk, int nid) { unsigned long pfn, sect_start_pfn, sect_end_pfn; if (!mem_blk) return -EFAULT; if (!node_online(nid)) return 0; sect_start_pfn = section_nr_to_pfn(mem_blk->phys_index); sect_end_pfn = sect_start_pfn + PAGES_PER_SECTION - 1; for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) { int page_nid; page_nid = get_nid_for_pfn(pfn); if (page_nid < 0) continue; if (page_nid != nid) continue; return sysfs_create_link_nowarn(&node_devices[nid].sysdev.kobj, &mem_blk->sysdev.kobj, kobject_name(&mem_blk->sysdev.kobj)); } /* mem section does not span the specified node */ return 0; } /* unregister memory section under all nodes that it spans */ int unregister_mem_sect_under_nodes(struct memory_block *mem_blk) { nodemask_t unlinked_nodes; unsigned long pfn, sect_start_pfn, sect_end_pfn; if (!mem_blk) return -EFAULT; nodes_clear(unlinked_nodes); sect_start_pfn = section_nr_to_pfn(mem_blk->phys_index); sect_end_pfn = sect_start_pfn + PAGES_PER_SECTION - 1; for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) { int nid; nid = get_nid_for_pfn(pfn); if (nid < 0) continue; if (!node_online(nid)) continue; if (node_test_and_set(nid, unlinked_nodes)) continue; sysfs_remove_link(&node_devices[nid].sysdev.kobj, kobject_name(&mem_blk->sysdev.kobj)); } return 0; } static int link_mem_sections(int nid) { unsigned long start_pfn = NODE_DATA(nid)->node_start_pfn; unsigned long end_pfn = start_pfn + NODE_DATA(nid)->node_spanned_pages; unsigned long pfn; int err = 0; for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) { unsigned long section_nr = pfn_to_section_nr(pfn); struct mem_section *mem_sect; struct memory_block *mem_blk; int ret; if (!present_section_nr(section_nr)) continue; mem_sect = __nr_to_section(section_nr); mem_blk = find_memory_block(mem_sect); ret = register_mem_sect_under_node(mem_blk, nid); if (!err) err = ret; /* discard ref obtained in find_memory_block() */ kobject_put(&mem_blk->sysdev.kobj); } return err; } #else static int link_mem_sections(int nid) { return 0; } #endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */ int register_one_node(int nid) { int error = 0; int cpu; if (node_online(nid)) { int p_node = parent_node(nid); struct node *parent = NULL; if (p_node != nid) parent = &node_devices[p_node]; error = register_node(&node_devices[nid], nid, parent); /* link cpu under this node */ for_each_present_cpu(cpu) { if (cpu_to_node(cpu) == nid) register_cpu_under_node(cpu, nid); } /* link memory sections under this node */ error = link_mem_sections(nid); } return error; } void unregister_one_node(int nid) { unregister_node(&node_devices[nid]); } /* * node states attributes */ static ssize_t print_nodes_state(enum node_states state, char *buf) { int n; n = nodelist_scnprintf(buf, PAGE_SIZE, node_states[state]); if (n > 0 && PAGE_SIZE > n + 1) { *(buf + n++) = '\n'; *(buf + n++) = '\0'; } return n; } static ssize_t print_nodes_possible(struct sysdev_class *class, char *buf) { return print_nodes_state(N_POSSIBLE, buf); } static ssize_t print_nodes_online(struct sysdev_class *class, char *buf) { return print_nodes_state(N_ONLINE, buf); } static ssize_t print_nodes_has_normal_memory(struct sysdev_class *class, char *buf) { return print_nodes_state(N_NORMAL_MEMORY, buf); } static ssize_t print_nodes_has_cpu(struct sysdev_class *class, char *buf) { return print_nodes_state(N_CPU, buf); } static SYSDEV_CLASS_ATTR(possible, 0444, print_nodes_possible, NULL); static SYSDEV_CLASS_ATTR(online, 0444, print_nodes_online, NULL); static SYSDEV_CLASS_ATTR(has_normal_memory, 0444, print_nodes_has_normal_memory, NULL); static SYSDEV_CLASS_ATTR(has_cpu, 0444, print_nodes_has_cpu, NULL); #ifdef CONFIG_HIGHMEM static ssize_t print_nodes_has_high_memory(struct sysdev_class *class, char *buf) { return print_nodes_state(N_HIGH_MEMORY, buf); } static SYSDEV_CLASS_ATTR(has_high_memory, 0444, print_nodes_has_high_memory, NULL); #endif struct sysdev_class_attribute *node_state_attr[] = { &attr_possible, &attr_online, &attr_has_normal_memory, #ifdef CONFIG_HIGHMEM &attr_has_high_memory, #endif &attr_has_cpu, }; static int node_states_init(void) { int i; int err = 0; for (i = 0; i < NR_NODE_STATES; i++) { int ret; ret = sysdev_class_create_file(&node_class, node_state_attr[i]); if (!err) err = ret; } return err; } static int __init register_node_type(void) { int ret; ret = sysdev_class_register(&node_class); if (!ret) ret = node_states_init(); /* * Note: we're not going to unregister the node class if we fail * to register the node state class attribute files. */ return ret; } postcore_initcall(register_node_type);


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