Nitin Gupta wrote:
@@ -528,17 +581,32 @@ static int zcache_store_page(struct zcache_inode_rb *znode,
goto out;
}
- dest_data = kmap_atomic(zpage, KM_USER0);
+ local_irq_save(flags);
Does xv_malloc() required interrupts to be disabled? If so, why doesn't
the function do it by itself?
+ ret = xv_malloc(zpool->xv_pool, clen + sizeof(*zheader),
+ &zpage, &zoffset, GFP_NOWAIT);
+ local_irq_restore(flags);
+ if (unlikely(ret)) {
+ ret = -ENOMEM;
+ preempt_enable();
+ goto out;
+ }
--
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