Re: [PATCH v7 03/14] x86/cet/ibt: Add IBT legacy code bitmap setup function

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



* Dave Hansen:

> My assumption has always been that these large, potentially sparse
> hardware tables *must* be mmap()'d with MAP_NORESERVE specified.  That
> should keep them from being problematic with respect to overcommit.

MAP_NORESERVE pages still count towards the commit limit.  The flag only
disables checks at allocation time, for this particular allocation.  (At
least this was the behavior the last time I looked into this, I
believe.)

Not sure if this makes a difference here.

Thanks,
Florian



[Index of Archives]     [Linux Kernel]     [Kernel Newbies]     [x86 Platform Driver]     [Netdev]     [Linux Wireless]     [Netfilter]     [Bugtraq]     [Linux Filesystems]     [Yosemite Discussion]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]

  Powered by Linux