From c91c4773b334d4d3a6d44626dc2a558ad97b86f3 Mon Sep 17 00:00:00 2001 From: Pekka Enberg Date: Thu, 11 Jun 2009 08:10:28 +0300 Subject: [PATCH] bootmem: fix slab fallback on numa If the user requested bootmem allocation on a specific node, we should use kzalloc_node() for the fallback allocation. Cc: Ingo Molnar Cc: Johannes Weiner Cc: Linus Torvalds Cc: Yinghai Lu Signed-off-by: Pekka Enberg --- mm/bootmem.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/mm/bootmem.c b/mm/bootmem.c index 457269c73e81..282df0a09e6f 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -665,6 +665,9 @@ static void * __init ___alloc_bootmem_node(bootmem_data_t *bdata, void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal) { + if (WARN_ON_ONCE(slab_is_available())) + return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id); + return ___alloc_bootmem_node(pgdat->bdata, size, align, goal, 0); } @@ -696,6 +699,9 @@ void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size, { void *ptr; + if (WARN_ON_ONCE(slab_is_available())) + return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id); + ptr = alloc_arch_preferred_bootmem(pgdat->bdata, size, align, goal, 0); if (ptr) return ptr; @@ -748,6 +754,9 @@ void * __init __alloc_bootmem_low(unsigned long size, unsigned long align, void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal) { + if (WARN_ON_ONCE(slab_is_available())) + return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id); + return ___alloc_bootmem_node(pgdat->bdata, size, align, goal, ARCH_LOW_ADDRESS_LIMIT); } -- 2.30.2