On Fri, 26 Mar 2004 14:28:26 +0530, Suparna Bhattacharya <suparna@in.ibm.com> wrote: >On Thu, Mar 25, 2004 at 04:22:32PM -0800, Andrew Morton wrote: >> Keith Owens <kaos@sgi.com> wrote: >> > >> > FWIW, lkcd (crash dump) treats hugetlb pages as normal kernel pages and >> > dumps them, which is pointless and wastes a lot of time. To avoid >> > dumping these pages in lkcd, I had to add a PG_hugetlb flag. lkcd runs > >This should already be fixed in recent versions of lkcd. It uses a >little bit of trickery to avoid an extra page flag -- hugetlb pages are >detected as "in use" as well as reserved, unlike other reserved pages >which helps identify them. Are you sure that this works for hugetlb pages that have been preallocated but not yet mapped? AFAICT the hugetlb pages start off as reserved with a zero usecount. - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlReceived on Thu Mar 25 22:53:34 2004
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