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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-27 10:42:48 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-27 10:42:52 +0100 |
| commit | 4708ac49305bbcd511600d4af71a4c6dca15af65 (patch) | |
| tree | 77ba5c83a7d4f4a119e3fd524d82adc297df1e35 /kernel/kexec.c | |
| parent | 1dbd30e9890fd69e50b17edd70ca583546b0fe4e (diff) | |
| parent | 2f7989efd4398d92b8adffce2e07dd043a0895fe (diff) | |
| download | linux-4708ac49305bbcd511600d4af71a4c6dca15af65.tar.gz linux-4708ac49305bbcd511600d4af71a4c6dca15af65.tar.bz2 linux-4708ac49305bbcd511600d4af71a4c6dca15af65.zip | |
Merge branch 'origin' into misc
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; |