re: CVS commit: src/sys/uvm

[matthew green <mrg%eterna.com.au@localhost>]

"Jaromir Dolecek" writes:
> Module Name:	src
> Committed By:	jdolecek
> Date:		Sun Dec  9 20:45:37 UTC 2018
> 
> Modified Files:
> 	src/sys/uvm: uvm_bio.c
> 
> Log Message:
> for direct map case, avoid PGO_NOBLOCKALLOC when writing, it makes
> genfs_getpages() return unallocated pages using the zero page and
> PG_RDONLY; the old code relied on fault logic to get it allocated, which
> the direct case can't rely on
> 
> instead just allocate the blocks right away; pass PGO_JOURNALLOCKED
> so that code wouldn't try to take wapbl lock, this code path is called
> with it already held

can you assert this if not already done?  that the locking is OK,
i mean...

thanks.


.mrg.