Artem Bityutskiy wrote:
Ameya Palande wrote:
diff --git a/drivers/dsp/bridge/wmd/tiomap3430.c
b/drivers/dsp/bridge/wmd/tiomap3430.c
index 1fca3e5..b489da1 100644
--- a/drivers/dsp/bridge/wmd/tiomap3430.c
+++ b/drivers/dsp/bridge/wmd/tiomap3430.c
@@ -2034,26 +2034,27 @@ static DSP_STATUS PteSet(struct PgTableAttrs
*pt, u32 pa, u32 va,
if (pfn_valid(__phys_to_pfn(patemp))) {
pg = phys_to_page(patemp);
get_page(pg);
+ if (page_count(pg) <= 1) {
+ printk(KERN_EMERG "DSPBRIDGE:MAP "
+ "function: COUNT 0 FOR PA "
+ "0x%x\n", patemp);
+ printk(KERN_EMERG "Bad page state"
+ "in process '%s'\n"
+ "page:%p flags:0x%0*lx "
+ "mapping:%p mapcount:%d "
+ "count:%d\n"
+ "Trying to fix it up, but "
+ "a reboot is needed\n"
+ "Backtrace:\n",
+ current->comm, pg,
+ (int)(2*sizeof(unsigned long)),
Why do you need this (int) cast? Thiere is a %zd modifyer.
+ (unsigned long)pg->flags,
What for do you have to cast here?
--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
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