If we're trying to allocate 4MB of memory, the table will be 8KiB in size (1024 pointers * 8 bytes per pointer), which can usually be satisfied by a kmalloc (which is significantly faster). Instead of changing this open-coded implementation, just use kvmalloc(). Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> --- mm/vmalloc.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 96444d64129a..32b640a84250 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2802,13 +2802,8 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask, gfp_mask |= __GFP_HIGHMEM; /* Please note that the recursion is strictly bounded. */ - if (array_size > PAGE_SIZE) { - pages = __vmalloc_node(array_size, 1, nested_gfp, node, + pages = kvmalloc_node_caller(array_size, nested_gfp, node, area->caller); - } else { - pages = kmalloc_node(array_size, nested_gfp, node); - } - if (!pages) { free_vm_area(area); return NULL; -- 2.30.2