Revision 4e683f499a15cd777d3cb51aaebe48d72334c852 authored by David S. Miller on 23 September 2017, 03:33:18 UTC, committed by David S. Miller on 23 September 2017, 03:33:18 UTC
Josef Bacik says: ==================== net: fix reuseaddr regression I introduced a regression when reworking the fastreuse port stuff that allows bind conflicts to occur once a reuseaddr successfully opens on an existing tb. The root cause is I reversed an if statement which caused us to set the tb as if there were no owners on the socket if there were, which obviously is not correct. Dave could you please queue these changes up for -stable, I've run them through the net tests and added another test to check for this problem specifically. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
cma.h
#ifndef __MM_CMA_H__
#define __MM_CMA_H__
struct cma {
unsigned long base_pfn;
unsigned long count;
unsigned long *bitmap;
unsigned int order_per_bit; /* Order of pages represented by one bit */
struct mutex lock;
#ifdef CONFIG_CMA_DEBUGFS
struct hlist_head mem_head;
spinlock_t mem_head_lock;
#endif
const char *name;
};
extern struct cma cma_areas[MAX_CMA_AREAS];
extern unsigned cma_area_count;
static inline unsigned long cma_bitmap_maxno(struct cma *cma)
{
return cma->count >> cma->order_per_bit;
}
#endif
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