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From: Benjamin Herrenschmidt on 28 Jul 2010 01:00 On Thu, 2010-07-22 at 11:43 -0700, Yinghai Lu wrote: > It will be used memblock_x86_to_bootmem converting The above doesn't make much sense. Appart from that, no objection. Ben. > It is an wrapper for reserve_bootmem, and x86 64bit is using special one. > > Also clean up that version for x86_64. We don't need to take care of numa > path for that, bootmem can handle it how > > Signed-off-by: Yinghai Lu <yinghai(a)kernel.org> > --- > arch/x86/mm/init_32.c | 6 ------ > arch/x86/mm/init_64.c | 20 ++------------------ > mm/bootmem.c | 6 ++++++ > 3 files changed, 8 insertions(+), 24 deletions(-) > > diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c > index bca7909..90e0545 100644 > --- a/arch/x86/mm/init_32.c > +++ b/arch/x86/mm/init_32.c > @@ -1069,9 +1069,3 @@ void mark_rodata_ro(void) > #endif > } > #endif > - > -int __init reserve_bootmem_generic(unsigned long phys, unsigned long len, > - int flags) > -{ > - return reserve_bootmem(phys, len, flags); > -} > diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c > index ee41bba..634fa08 100644 > --- a/arch/x86/mm/init_64.c > +++ b/arch/x86/mm/init_64.c > @@ -799,13 +799,10 @@ void mark_rodata_ro(void) > > #endif > > +#ifndef CONFIG_NO_BOOTMEM > int __init reserve_bootmem_generic(unsigned long phys, unsigned long len, > int flags) > { > -#ifdef CONFIG_NUMA > - int nid, next_nid; > - int ret; > -#endif > unsigned long pfn = phys >> PAGE_SHIFT; > > if (pfn >= max_pfn) { > @@ -821,21 +818,7 @@ int __init reserve_bootmem_generic(unsigned long phys, unsigned long len, > return -EFAULT; > } > > - /* Should check here against the e820 map to avoid double free */ > -#ifdef CONFIG_NUMA > - nid = phys_to_nid(phys); > - next_nid = phys_to_nid(phys + len - 1); > - if (nid == next_nid) > - ret = reserve_bootmem_node(NODE_DATA(nid), phys, len, flags); > - else > - ret = reserve_bootmem(phys, len, flags); > - > - if (ret != 0) > - return ret; > - > -#else > reserve_bootmem(phys, len, flags); > -#endif > > if (phys+len <= MAX_DMA_PFN*PAGE_SIZE) { > dma_reserve += len / PAGE_SIZE; > @@ -844,6 +827,7 @@ int __init reserve_bootmem_generic(unsigned long phys, unsigned long len, > > return 0; > } > +#endif > > int kern_addr_valid(unsigned long addr) > { > diff --git a/mm/bootmem.c b/mm/bootmem.c > index 142c84a..bde170d 100644 > --- a/mm/bootmem.c > +++ b/mm/bootmem.c > @@ -526,6 +526,12 @@ int __init reserve_bootmem(unsigned long addr, unsigned long size, > } > > #ifndef CONFIG_NO_BOOTMEM > +int __weak __init reserve_bootmem_generic(unsigned long phys, unsigned long len, > + int flags) > +{ > + return reserve_bootmem(phys, len, flags); > +} > + > static unsigned long __init align_idx(struct bootmem_data *bdata, > unsigned long idx, unsigned long step) > { -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |