On Thu, 2010-05-13 at 17:19 -0700, Yinghai Lu wrote: > It will return memory size in specified range according to lmb.memory.region > > Try to share some code with lmb_free_memory_size() by passing get_free to > __lmb_memory_size(). Same comments as previous patch. > Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx> > --- > arch/x86/include/asm/lmb.h | 1 + > arch/x86/mm/lmb.c | 18 +++++++++++++++++- > 2 files changed, 18 insertions(+), 1 deletions(-) > > diff --git a/arch/x86/include/asm/lmb.h b/arch/x86/include/asm/lmb.h > index 4fb94b5..dd42ac1 100644 > --- a/arch/x86/include/asm/lmb.h > +++ b/arch/x86/include/asm/lmb.h > @@ -17,5 +17,6 @@ void lmb_register_active_regions(int nid, unsigned long start_pfn, > u64 lmb_hole_size(u64 start, u64 end); > u64 lmb_find_area_node(int nid, u64 start, u64 end, u64 size, u64 align); > u64 lmb_free_memory_size(u64 addr, u64 limit); > +u64 lmb_memory_size(u64 addr, u64 limit); > > #endif > diff --git a/arch/x86/mm/lmb.c b/arch/x86/mm/lmb.c > index 6c69e99..19a5f49 100644 > --- a/arch/x86/mm/lmb.c > +++ b/arch/x86/mm/lmb.c > @@ -226,7 +226,7 @@ void __init lmb_to_bootmem(u64 start, u64 end) > } > #endif > > -u64 __init lmb_free_memory_size(u64 addr, u64 limit) > +static u64 __init __lmb_memory_size(u64 addr, u64 limit, bool get_free) > { > int i, count; > struct range *range; > @@ -256,6 +256,10 @@ u64 __init lmb_free_memory_size(u64 addr, u64 limit) > } > subtract_range(range, count, 0, addr); > subtract_range(range, count, limit, -1ULL); > + > + /* Subtract lmb.reserved.region in range ? */ > + if (!get_free) > + goto sort_and_count_them; > for (i = 0; i < lmb.reserved.cnt; i++) { > struct lmb_region *r = &lmb.reserved.regions[i]; > > @@ -268,6 +272,8 @@ u64 __init lmb_free_memory_size(u64 addr, u64 limit) > > subtract_range(range, count, final_start, final_end); > } > + > +sort_and_count_them: > nr_range = clean_sort_range(range, count); > > free_size = 0; > @@ -277,6 +283,16 @@ u64 __init lmb_free_memory_size(u64 addr, u64 limit) > return free_size << PAGE_SHIFT; > } > > +u64 __init lmb_free_memory_size(u64 addr, u64 limit) > +{ > + return __lmb_memory_size(addr, limit, true); > +} > + > +u64 __init lmb_memory_size(u64 addr, u64 limit) > +{ > + return __lmb_memory_size(addr, limit, false); > +} > + > void __init lmb_add_memory(u64 start, u64 end) > { > lmb_add_region(&lmb.memory, start, end - start); -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html