diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-18 03:48:18 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-18 03:48:18 (GMT) |
commit | ed408f7c0fab7ecc72f94f204f0d2607b2749f69 (patch) | |
tree | 8c85eb47814fff6c9ea0aa6177e47555c0f9c5b1 /mm/bootmem.c | |
parent | 52f7a82b59ff385da86a3ed17c8d9f6a83531004 (diff) | |
parent | 7d1f9aeff1ee4a20b1aeb377dd0f579fe9647619 (diff) | |
download | linux-fsl-qoriq-ed408f7c0fab7ecc72f94f204f0d2607b2749f69.tar.xz |
Merge 3.9-rc4 into driver-core-next
This is to fix up a build problem with a wireless driver due to the
dynamic-debug patches in this branch.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/bootmem.c')
-rw-r--r-- | mm/bootmem.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/mm/bootmem.c b/mm/bootmem.c index 1324cd7..b93376c 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -185,10 +185,23 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) while (start < end) { unsigned long *map, idx, vec; + unsigned shift; map = bdata->node_bootmem_map; idx = start - bdata->node_min_pfn; + shift = idx & (BITS_PER_LONG - 1); + /* + * vec holds at most BITS_PER_LONG map bits, + * bit 0 corresponds to start. + */ vec = ~map[idx / BITS_PER_LONG]; + + if (shift) { + vec >>= shift; + if (end - start >= BITS_PER_LONG) + vec |= ~map[idx / BITS_PER_LONG + 1] << + (BITS_PER_LONG - shift); + } /* * If we have a properly aligned and fully unreserved * BITS_PER_LONG block of pages in front of us, free @@ -201,19 +214,18 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) count += BITS_PER_LONG; start += BITS_PER_LONG; } else { - unsigned long off = 0; + unsigned long cur = start; - vec >>= start & (BITS_PER_LONG - 1); - while (vec) { + start = ALIGN(start + 1, BITS_PER_LONG); + while (vec && cur != start) { if (vec & 1) { - page = pfn_to_page(start + off); + page = pfn_to_page(cur); __free_pages_bootmem(page, 0); count++; } vec >>= 1; - off++; + ++cur; } - start = ALIGN(start + 1, BITS_PER_LONG); } } |