On 04/10/2015 04:11, Svatopluk Kraus wrote: > Hi, > > my RPI-B has been stuck in vm_reserv_reclaim_contig() due to a bug > within that function. I can reproduce that easily on my two-core > pandaboard when I limit all memory in system to 128MiB and run "make > -j16 kernel-toolchain". It happens in few seconds. > > The patch should be self-explanatory. The problem is that there is a > free page found in reservation which does not fulfill alignment > requirement, thus next free page should be looked for. However, due to > the bug, the same free page is found out again and again. > > The patch takes into account that shift by m on n-bit arch has an > undefined behaviour if m >= n. >
The patch looks correct. I'm just going to tweak the comment, and then I'll commit it. _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"