lkml.org 
[lkml]   [2010]   [Jan]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] bootmem: avoid DMA32 zone by default
On 01/20/2010 11:53 PM, Johannes Weiner wrote:
> I cc'd stable because this affects already released kernels. But since this is
> the first report of DMA32 memory exhaustion through bootmem that I hear of,

Just for how the setup look like:
128G of RAM, flat mapping
sizeof(struct page)=56
0-1.75G mem_map
1.75-2G vfs caches, console and others. initrd reservation
2-4G reserved by BIOS

Kernel panics with out of memory when swiotlb tries to allocate 64M of
"low" bootmem.

--
js
suse labs


\
 
 \ /
  Last update: 2010-01-21 00:15    [W:0.055 / U:0.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site