From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <20080423015430.710102000@nick.local0.net> References: <20080423015302.745723000@nick.local0.net> Date: Wed, 23 Apr 2008 11:53:12 +1000 From: npiggin@suse.de Subject: [patch 10/18] mm: introduce non panic alloc_bootmem Content-Disposition: inline; filename=__alloc_bootmem_node_nopanic.patch Sender: owner-linux-mm@kvack.org Return-Path: To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, andi@firstfloor.org, kniht@linux.vnet.ibm.com, nacc@us.ibm.com, abh@cray.com, wli@holomorphy.com List-ID: Straight forward variant of the existing __alloc_bootmem_node, only difference is that it doesn't panic on failure. Signed-off-by: Andi Kleen Signed-off-by: Nick Piggin --- include/linux/bootmem.h | 4 ++++ mm/bootmem.c | 12 ++++++++++++ 2 files changed, 16 insertions(+) Index: linux-2.6/mm/bootmem.c =================================================================== --- linux-2.6.orig/mm/bootmem.c +++ linux-2.6/mm/bootmem.c @@ -492,6 +492,18 @@ void * __init __alloc_bootmem_node(pg_da return __alloc_bootmem(size, align, goal); } +void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size, + unsigned long align, unsigned long goal) +{ + void *ptr; + + ptr = __alloc_bootmem_core(pgdat->bdata, size, align, goal, 0); + if (ptr) + return ptr; + + return __alloc_bootmem_nopanic(size, align, goal); +} + #ifndef ARCH_LOW_ADDRESS_LIMIT #define ARCH_LOW_ADDRESS_LIMIT 0xffffffffUL #endif Index: linux-2.6/include/linux/bootmem.h =================================================================== --- linux-2.6.orig/include/linux/bootmem.h +++ linux-2.6/include/linux/bootmem.h @@ -90,6 +90,10 @@ extern void *__alloc_bootmem_node(pg_dat unsigned long size, unsigned long align, unsigned long goal); +extern void *__alloc_bootmem_node_nopanic(pg_data_t *pgdat, + unsigned long size, + unsigned long align, + unsigned long goal); extern unsigned long init_bootmem_node(pg_data_t *pgdat, unsigned long freepfn, unsigned long startpfn, -- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org