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debug-pagealloc: Panic on pagealloc corruption

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Currently, we just print the pagealloc corruption warnings and
proceed. Sometimes, we are getting multiple errors printed down
the line. It will be good to get the device state as early as
possible when we get the first pagealloc error.

Change-Id: I79155ac8a039b30a3a98d5dd1384d3923082712f
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
Signed-off-by: Sudarshan Rajagopalan <sudaraja@codeaurora.org>
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>
This commit is contained in:
Prasad Sodagudi 2016-02-25 12:57:06 +05:30 committed by Gerrit - the friendly Code Review server
parent 8c97fea74f
commit 8777aa80bb
1 changed files with 1 additions and 0 deletions
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mm/page_poison.c
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@ -94,6 +94,7 @@ static void check_poison_mem(struct page *page,
print_hex_dump(KERN_ERR, "", DUMP_PREFIX_ADDRESS, 16, 1, start, print_hex_dump(KERN_ERR, "", DUMP_PREFIX_ADDRESS, 16, 1, start,
end - start + 1, 1); end - start + 1, 1);
BUG_ON(PANIC_CORRUPTION);
dump_stack(); dump_stack();
} }