lkml.org 
[lkml]   [2010]   [Jul]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [PATCH 28/31] memblock: Export MEMBLOCK_ERROR again
    From
    Date
    On Thu, 2010-07-22 at 11:21 -0700, Yinghai Lu wrote:
    > will used by x86 memblock_x86_find_in_range_node and nobootmem replacement
    >
    > -v2: use 0 instead -1ULL, Suggested by Linus, so we don't need cast them later to unsigned long

    The patch in its current form is a NAK.

    You can't just do those two things in one commit.

    If we're going to switch LMB errors to always be 0, we need to ensure we
    cannot realistically hand out 0 as a result of lmb_alloc().

    I'll cook up a patch to do that.

    Ben.

    > Signed-off-by: Yinghai Lu <yinghai@kernel.org>
    > ---
    > include/linux/memblock.h | 1 +
    > mm/memblock.c | 2 --
    > 2 files changed, 1 insertions(+), 2 deletions(-)
    >
    > diff --git a/include/linux/memblock.h b/include/linux/memblock.h
    > index 70bc467..89749c4 100644
    > --- a/include/linux/memblock.h
    > +++ b/include/linux/memblock.h
    > @@ -19,6 +19,7 @@
    > #include <asm/memblock.h>
    >
    > #define INIT_MEMBLOCK_REGIONS 128
    > +#define MEMBLOCK_ERROR 0
    >
    > struct memblock_region {
    > phys_addr_t base;
    > diff --git a/mm/memblock.c b/mm/memblock.c
    > index 796ef8c..3d0a754 100644
    > --- a/mm/memblock.c
    > +++ b/mm/memblock.c
    > @@ -27,8 +27,6 @@ int memblock_can_resize;
    > static struct memblock_region memblock_memory_init_regions[INIT_MEMBLOCK_REGIONS + 1];
    > struct memblock_region memblock_reserved_init_regions[INIT_MEMBLOCK_REGIONS + 1];
    >
    > -#define MEMBLOCK_ERROR (~(phys_addr_t)0)
    > -
    > /* inline so we don't get a warning when pr_debug is compiled out */
    > static inline const char *memblock_type_name(struct memblock_type *type)
    > {




    \
     
     \ /
      Last update: 2010-07-28 07:19    [W:0.027 / U:60.252 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site