From e39f223fc93580c86ccf6b3422033e349f57f0dd Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Tue, 18 Nov 2014 16:47:35 +1100 Subject: powerpc: Remove more traces of bootmem Although we are now selecting NO_BOOTMEM, we still have some traces of bootmem lying around. That is because even with NO_BOOTMEM there is still a shim that converts bootmem calls into memblock calls, but ultimately we want to remove all traces of bootmem. Most of the patch is conversions from alloc_bootmem() to memblock_virt_alloc(). In general a call such as: p = (struct foo *)alloc_bootmem(x); Becomes: p = memblock_virt_alloc(x, 0); We don't need the cast because memblock_virt_alloc() returns a void *. The alignment value of zero tells memblock to use the default alignment, which is SMP_CACHE_BYTES, the same value alloc_bootmem() uses. We remove a number of NULL checks on the result of memblock_virt_alloc(). That is because memblock_virt_alloc() will panic if it can't allocate, in exactly the same way as alloc_bootmem(), so the NULL checks are and always have been redundant. The memory returned by memblock_virt_alloc() is already zeroed, so we remove several memsets of the result of memblock_virt_alloc(). Finally we convert a few uses of __alloc_bootmem(x, y, MAX_DMA_ADDRESS) to just plain memblock_virt_alloc(). We don't use memblock_alloc_base() because MAX_DMA_ADDRESS is ~0ul on powerpc, so limiting the allocation to that is pointless, 16XB ought to be enough for anyone. Signed-off-by: Michael Ellerman --- arch/powerpc/platforms/ps3/setup.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) (limited to 'arch/powerpc/platforms/ps3/setup.c') diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index 009a2004b876..799c8580ab09 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -125,12 +125,7 @@ static void __init prealloc(struct ps3_prealloc *p) if (!p->size) return; - p->address = __alloc_bootmem(p->size, p->align, __pa(MAX_DMA_ADDRESS)); - if (!p->address) { - printk(KERN_ERR "%s: Cannot allocate %s\n", __func__, - p->name); - return; - } + p->address = memblock_virt_alloc(p->size, p->align); printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size, p->address); -- cgit v1.2.3