D16573.id48691.diff
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D16573.id48691.diff
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	Index: sys/kern/vfs_bio.c
	===================================================================
	--- sys/kern/vfs_bio.c
	+++ sys/kern/vfs_bio.c
	@@ -4188,6 +4188,7 @@
	}
	return;
	}
	+ newbsize = round_page(newbsize);
	vm_hold_free_pages(bp, newbsize);
	bufspace_adjust(bp, newbsize);
	}
	@@ -4219,6 +4220,8 @@
	return;
	}

	+ newbsize = round_page(newbsize);
	+
	/*
	* If the buffer is growing on its other-than-first
	* allocation then we revert to the page-allocation
	@@ -4232,7 +4235,6 @@
	bp->b_data = bp->b_kvabase;
	bufmallocadjust(bp, 0);
	bp->b_flags &= ~B_MALLOC;
	- newbsize = round_page(newbsize);
	}
	vm_hold_load_pages(bp, (vm_offset_t) bp->b_data + bp->b_bufsize,
	(vm_offset_t) bp->b_data + newbsize);
	@@ -4272,8 +4274,6 @@

	newbsize = roundup2(size, DEV_BSIZE);
	if ((bp->b_flags & B_VMIO) == 0) {
	- if ((bp->b_flags & B_MALLOC) == 0)
	- newbsize = round_page(newbsize);
	/*
	* Just get anonymous memory from the kernel. Don't
	* mess with B_CACHE.