Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0b8da654b6c13b40b0e0efd916ee57ed13f9fa1f
Commit: 0b8da654b6c13b40b0e0efd916ee57ed13f9fa1f
Parent: 0d2be08893605be00de0f95ee7e4b8917ea1ebc3
Author: Heiko Carstens <[EMAIL PROTECTED]>
AuthorDate: Mon Nov 5 11:10:11 2007 +0100
Committer: Martin Schwidefsky <[EMAIL PROTECTED]>
CommitDate: Mon Nov 5 11:10:17 2007 +0100
[S390] Fix memory detection.
Yet another patch in the countless series of memory detection fixes:
if the last area of the reported storage size is a hole the detection
loop will loop forever.
Just break chunk detection loop if its end is going to be larger than
reported storage size.
Signed-off-by: Heiko Carstens <[EMAIL PROTECTED]>
Signed-off-by: Martin Schwidefsky <[EMAIL PROTECTED]>
---
arch/s390/kernel/early.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index e6289ee..8bf4ae1 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -200,11 +200,13 @@ static noinline __init void find_memory_chunks(unsigned
long memsize)
cc = __tprot(addr);
while (cc == old_cc) {
addr += CHUNK_INCR;
- cc = __tprot(addr);
+ if (addr >= memsize)
+ break;
#ifndef CONFIG_64BIT
if (addr == ADDR2G)
break;
#endif
+ cc = __tprot(addr);
}
if (old_addr != addr &&
-
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