From 2c478eae96501163c5c5d5f682bba4d34a7ea1d4 Mon Sep 17 00:00:00 2001 From: Johannes Weiner Date: Tue, 29 May 2012 15:06:35 -0700 Subject: mm: nobootmem: panic on node-specific allocation failure __alloc_bootmem_node and __alloc_bootmem_low_node documentation claims the functions panic on allocation failure. Do it. Signed-off-by: Johannes Weiner Acked-by: Yinghai Lu Acked-by: Tejun Heo Acked-by: David S. Miller Cc: Gavin Shan Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/nobootmem.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/mm/nobootmem.c b/mm/nobootmem.c index 1983fb1c7026..cca76207e61a 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -305,11 +305,17 @@ again: ptr = __alloc_memory_core_early(MAX_NUMNODES, size, align, goal, -1ULL); - if (!ptr && goal) { + if (ptr) + return ptr; + + if (goal) { goal = 0; goto again; } - return ptr; + + printk(KERN_ALERT "bootmem alloc of %lu bytes failed!\n", size); + panic("Out of memory"); + return NULL; } void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size, @@ -407,6 +413,12 @@ void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, unsigned long size, if (ptr) return ptr; - return __alloc_memory_core_early(MAX_NUMNODES, size, align, - goal, ARCH_LOW_ADDRESS_LIMIT); + ptr = __alloc_memory_core_early(MAX_NUMNODES, size, align, + goal, ARCH_LOW_ADDRESS_LIMIT); + if (ptr) + return ptr; + + printk(KERN_ALERT "bootmem alloc of %lu bytes failed!\n", size); + panic("Out of memory"); + return NULL; } -- cgit v1.2.3