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| author | Paul Mundt <lethal@linux-sh.org> | 2010-07-02 13:05:10 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-07-02 13:05:10 +0900 |
| commit | 12462d77ec78be9fb033580b7b64ddf9d0fee44b (patch) | |
| tree | a21157428d46259ed2c8a727ac12a2e658d8181a /kernel/kexec.c | |
| parent | 598ee698d9db7beb06e12f4ea9d9a5fbc03a3a77 (diff) | |
| parent | 97e0214044d9f279a3d6286c9f859696ef0b7ebe (diff) | |
| download | blackbird-op-linux-12462d77ec78be9fb033580b7b64ddf9d0fee44b.tar.gz blackbird-op-linux-12462d77ec78be9fb033580b7b64ddf9d0fee44b.zip | |
Merge branches 'sh/highmem' and 'sh/stable-updates'
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 474a84715eac..131b1703936f 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; |
