/* only uses low memory */
avail_ram = val.totalram - val.totalhigh;
- /* give 25%, 25%, 50%, 50% memory for each components respectively */
+ /*
+ * give 25%, 25%, 50%, 50%, 50% memory for each components respectively
+ */
if (type == FREE_NIDS) {
mem_size = (nm_i->fcnt * sizeof(struct free_nid)) >>
PAGE_CACHE_SHIFT;
mem_size += (sbi->im[i].ino_num *
sizeof(struct ino_entry)) >> PAGE_CACHE_SHIFT;
res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1);
+ } else if (type == EXTENT_CACHE) {
+ mem_size = (sbi->total_ext_tree * sizeof(struct extent_tree) +
+ atomic_read(&sbi->total_ext_node) *
+ sizeof(struct extent_node)) >> PAGE_CACHE_SHIFT;
+ res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1);
} else {
if (sbi->sb->s_bdi->dirty_exceeded)
return false;