diff options
| -rw-r--r-- | fs/proc/meminfo.c | 7 | ||||
| -rw-r--r-- | include/linux/vmalloc.h | 12 | ||||
| -rw-r--r-- | mm/vmalloc.c | 47 |
3 files changed, 2 insertions, 64 deletions
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c index d3ebf2e..9155a5a 100644 --- a/fs/proc/meminfo.c +++ b/fs/proc/meminfo.c @@ -27,7 +27,6 @@ static int meminfo_proc_show(struct seq_file *m, void *v) { struct sysinfo i; unsigned long committed; - struct vmalloc_info vmi; long cached; long available; unsigned long pagecache; @@ -49,8 +48,6 @@ static int meminfo_proc_show(struct seq_file *m, void *v) if (cached < 0) cached = 0; - get_vmalloc_info(&vmi); - for (lru = LRU_BASE; lru < NR_LRU_LISTS; lru++) pages[lru] = global_page_state(NR_LRU_BASE + lru); @@ -191,8 +188,8 @@ static int meminfo_proc_show(struct seq_file *m, void *v) K(vm_commit_limit()), K(committed), (unsigned long)VMALLOC_TOTAL >> 10, - vmi.used >> 10, - vmi.largest_chunk >> 10 + 0ul, // used to be vmalloc 'used' + 0ul // used to be vmalloc 'largest_chunk' #ifdef CONFIG_MEMORY_FAILURE , atomic_long_read(&num_poisoned_pages) << (PAGE_SHIFT - 10) #endif diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 0ec5983..3bff87a 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -182,22 +182,10 @@ pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms) # endif #endif -struct vmalloc_info { - unsigned long used; - unsigned long largest_chunk; -}; - #ifdef CONFIG_MMU #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START) -extern void get_vmalloc_info(struct vmalloc_info *vmi); #else - #define VMALLOC_TOTAL 0UL -#define get_vmalloc_info(vmi) \ -do { \ - (vmi)->used = 0; \ - (vmi)->largest_chunk = 0; \ -} while (0) #endif #endif /* _LINUX_VMALLOC_H */ diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 2faaa29..af3a519 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2688,52 +2688,5 @@ static int __init proc_vmalloc_init(void) } module_init(proc_vmalloc_init); -void get_vmalloc_info(struct vmalloc_info *vmi) -{ - struct vmap_area *va; - unsigned long free_area_size; - unsigned long prev_end; - - vmi->used = 0; - vmi->largest_chunk = 0; - - prev_end = VMALLOC_START; - - rcu_read_lock(); - - if (list_empty(&vmap_area_list)) { - vmi->largest_chunk = VMALLOC_TOTAL; - goto out; - } - - list_for_each_entry_rcu(va, &vmap_area_list, list) { - unsigned long addr = va->va_start; - - /* - * Some archs keep another range for modules in vmalloc space - */ - if (addr < VMALLOC_START) - continue; - if (addr >= VMALLOC_END) - break; - - if (va->flags & (VM_LAZY_FREE | VM_LAZY_FREEING)) - continue; - - vmi->used += (va->va_end - va->va_start); - - free_area_size = addr - prev_end; - if (vmi->largest_chunk < free_area_size) - vmi->largest_chunk = free_area_size; - - prev_end = va->va_end; - } - - if (VMALLOC_END - prev_end > vmi->largest_chunk) - vmi->largest_chunk = VMALLOC_END - prev_end; - -out: - rcu_read_unlock(); -} #endif |
