diff options
author | David S. Miller <davem@davemloft.net> | 2009-12-05 15:22:26 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2009-12-05 15:22:26 -0800 |
commit | 28b4d5cc17c20786848cdc07b7ea237a309776bb (patch) | |
tree | bae406a4b17229dcce7c11be5073f7a67665e477 /mm/bootmem.c | |
parent | d29cecda036f251aee4947f47eea0fe9ed8cc931 (diff) | |
parent | 96fa2b508d2d3fe040cf4ef2fffb955f0a537ea1 (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/net/pcmcia/fmvj18x_cs.c
drivers/net/pcmcia/nmclan_cs.c
drivers/net/pcmcia/xirc2ps_cs.c
drivers/net/wireless/ray_cs.c
Diffstat (limited to 'mm/bootmem.c')
-rw-r--r-- | mm/bootmem.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/mm/bootmem.c b/mm/bootmem.c index 555d5d2731c..d1dc23cc7f1 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -143,6 +143,30 @@ unsigned long __init init_bootmem(unsigned long start, unsigned long pages) return init_bootmem_core(NODE_DATA(0)->bdata, start, 0, pages); } +/* + * free_bootmem_late - free bootmem pages directly to page allocator + * @addr: starting address of the range + * @size: size of the range in bytes + * + * This is only useful when the bootmem allocator has already been torn + * down, but we are still initializing the system. Pages are given directly + * to the page allocator, no bootmem metadata is updated because it is gone. + */ +void __init free_bootmem_late(unsigned long addr, unsigned long size) +{ + unsigned long cursor, end; + + kmemleak_free_part(__va(addr), size); + + cursor = PFN_UP(addr); + end = PFN_DOWN(addr + size); + + for (; cursor < end; cursor++) { + __free_pages_bootmem(pfn_to_page(cursor), 0); + totalram_pages++; + } +} + static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) { int aligned; |