On 11/28/07, Randy Dunlap <[EMAIL PROTECTED]> wrote: > Nish Aravamudan wrote: > > On 11/28/07, Randy Dunlap <[EMAIL PROTECTED]> wrote: > >> On Tue, 27 Nov 2007 23:03:10 -0600 Jon Tollefson wrote: > >> > >>> This patch adds the hugepagesz boot-time parameter for ppc64 that lets > >>> you pick the size for your huge pages. The choices available are 64K > >>> and 16M. It defaults to 16M (previously the only choice) if nothing or > >>> an invalid choice is specified. Tested 64K huge pages with the > >>> libhugetlbfs 1.2 release with its 'make func' and 'make stress' test > >>> invocations. > >>> > >>> This patch requires the patch posted by Mel Gorman that adds > >>> HUGETLB_PAGE_SIZE_VARIABLE; "[PATCH] Fix boot problem with iSeries > >>> lacking hugepage support" on 2007-11-15. > >>> > >>> Signed-off-by: Jon Tollefson <[EMAIL PROTECTED]> > >>> --- > >>> > >>> Documentation/kernel-parameters.txt | 1 > >>> arch/powerpc/mm/hash_utils_64.c | 11 +-------- > >>> arch/powerpc/mm/hugetlbpage.c | 41 > >>> ++++++++++++++++++++++++++++++++++++ > >>> include/asm-powerpc/mmu-hash64.h | 1 > >>> mm/hugetlb.c | 1 > >>> 5 files changed, 46 insertions(+), 9 deletions(-) > >>> > >>> diff --git a/Documentation/kernel-parameters.txt > >>> b/Documentation/kernel-parameters.txt > >>> index 33121d6..2fc1fb8 100644 > >>> --- a/Documentation/kernel-parameters.txt > >>> +++ b/Documentation/kernel-parameters.txt > >>> @@ -685,6 +685,7 @@ and is between 256 and 4096 characters. It is defined > >>> in the file > >>> See Documentation/isdn/README.HiSax. > >>> > >>> hugepages= [HW,X86-32,IA-64] Maximal number of HugeTLB pages. > >>> + hugepagesz= [HW,IA-64,PPC] The size of the HugeTLB pages. > >> Any chance of spelling it as "hugepagesize" so that it's a little > >> less cryptic and more difficult to typo as "hugepages"? > >> (i.e., less confusion between them) > > > > It already exists as hugepagesz= for IA64. Changing it to hugepagesize > > would either make ppc be different than IA64, or require keeping both > > so as to make IA64 setups continue working as before? > > Oh, but it wasn't in Doc/kernel-parameters.txt ? :(
Nope :( I wonder how many other kernel parameters are in the same boat? Where's an RPJDay-script when you need it? > OK, just leave it as is, I think. Yeah, I guess that's probably easiest...unfortunately. -Nish _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
