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author | Grant Likely <grant.likely@secretlab.ca> | 2010-07-24 15:49:13 (GMT) |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2010-07-24 15:49:13 (GMT) |
commit | 4e4f62bf7396fca48efe61513640ee399a6046e3 (patch) | |
tree | 42a503af02d9806bcc05e5fcc2cd53f9bd45b0c2 /kernel/kexec.c | |
parent | 9e3288dc9a94fab5ea87db42177d3a9e0345a614 (diff) | |
parent | b37fa16e78d6f9790462b3181602a26b5af36260 (diff) | |
download | linux-4e4f62bf7396fca48efe61513640ee399a6046e3.tar.xz |
Merge commit 'v2.6.35-rc6' into devicetree/next
Conflicts:
arch/sparc/kernel/prom_64.c
Diffstat (limited to 'kernel/kexec.c')
-rw-r--r-- | kernel/kexec.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c index 474a847..131b170 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1089,9 +1089,10 @@ void crash_kexec(struct pt_regs *regs) size_t crash_get_memory_size(void) { - size_t size; + size_t size = 0; mutex_lock(&kexec_mutex); - size = crashk_res.end - crashk_res.start + 1; + if (crashk_res.end != crashk_res.start) + size = crashk_res.end - crashk_res.start + 1; mutex_unlock(&kexec_mutex); return size; } @@ -1134,7 +1135,7 @@ int crash_shrink_memory(unsigned long new_size) free_reserved_phys_range(end, crashk_res.end); - if (start == end) + if ((start == end) && (crashk_res.parent != NULL)) release_resource(&crashk_res); crashk_res.end = end - 1; |