Re: Do not depend on MAX_ORDER when grouping pages by mobility

2007-11-15 Thread Mel Gorman
On (15/11/07 14:17), Stephen Rothwell didst pronounce: > Hi Mel, > > On Wed, 14 Nov 2007 18:10:45 + [EMAIL PROTECTED] (Mel Gorman) wrote: > > > > libhugetlbfs test suite and boot test on iSeries is sufficient in this > > case. However, the version I sent would break on IA-64 due to the lack of

Re: Do not depend on MAX_ORDER when grouping pages by mobility

2007-11-14 Thread Stephen Rothwell
Hi Mel, On Wed, 14 Nov 2007 18:10:45 + [EMAIL PROTECTED] (Mel Gorman) wrote: > > libhugetlbfs test suite and boot test on iSeries is sufficient in this > case. However, the version I sent would break on IA-64 due to the lack of > a definition for HPAGE_SHIFT when CONFIG_HUGETLB_PAGE is not set

Re: Do not depend on MAX_ORDER when grouping pages by mobility

2007-11-14 Thread Mel Gorman
On (13/11/07 11:44), Stephen Rothwell didst pronounce: > On Mon, 12 Nov 2007 15:54:53 + [EMAIL PROTECTED] (Mel Gorman) wrote: > > > > Ordinarily, the size of a pageblock is determined from the hugepage size. > > On PPC64, the hugepage size is determined at runtime based on the ability > > of th

Re: Do not depend on MAX_ORDER when grouping pages by mobility

2007-11-12 Thread Stephen Rothwell
On Mon, 12 Nov 2007 15:54:53 + [EMAIL PROTECTED] (Mel Gorman) wrote: > > Ordinarily, the size of a pageblock is determined from the hugepage size. > On PPC64, the hugepage size is determined at runtime based on the ability > of the machine. If the machine does not support hugepages, HPAGE_SHIFT

Re: Do not depend on MAX_ORDER when grouping pages by mobility

2007-11-12 Thread Mel Gorman
On (12/11/07 13:21), Stephen Rothwell didst pronounce: > I discovered recently that a kernel built with ppc64_defconfig no longer > boots on legacy iSeries. It did in 2.6.23. I bisected down the commit > d9c2340052278d8eb2ffb16b0484f8f794def4de ("Do not depend on MAX_ORDER > wh

Re: Do not depend on MAX_ORDER when grouping pages by mobility

2007-11-11 Thread Stephen Rothwell
Hi Mel, I discovered recently that a kernel built with ppc64_defconfig no longer boots on legacy iSeries. It did in 2.6.23. I bisected down the commit d9c2340052278d8eb2ffb16b0484f8f794def4de ("Do not depend on MAX_ORDER when grouping pages by mobility") which fails while its parent i