From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Date: Wed, 23 Jul 2008 20:38:36 -0700 > So if we're going to change it in 2.6.26, we'll need a separate patch. Here is the 2.6.26 version: bootmem: Allow zero length reserve and free. It's either this or all the call sites explicitly check when such a case is possible and sometimes expected. Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> diff --git a/mm/bootmem.c b/mm/bootmem.c index 8d9f60e..e540f7a 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -153,7 +153,8 @@ static void __init reserve_bootmem_core(bootmem_data_t *bdata, unsigned long sidx, eidx; unsigned long i; - BUG_ON(!size); + if (!size) + return; /* out of range */ if (addr + size < bdata->node_boot_start || @@ -187,7 +188,8 @@ static void __init free_bootmem_core(bootmem_data_t *bdata, unsigned long addr, unsigned long sidx, eidx; unsigned long i; - BUG_ON(!size); + if (!size) + return; /* out range */ if (addr + size < bdata->node_boot_start || -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
