Messages in this thread | | | Date | Wed, 12 Aug 2009 07:07:48 +0200 | Subject | Re: [PATCH 2/3] Add MAP_LARGEPAGE for mmaping pseudo-anonymous huge page regions | From | Michael Kerrisk <> |
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Eric,
On Wed, Aug 12, 2009 at 12:13 AM, Eric B Munson<ebmunson@us.ibm.com> wrote: > This patch adds a flag for mmap that will be used to request a huge > page region that will look like anonymous memory to user space. This > is accomplished by using a file on the internal vfsmount. MAP_LARGEPAGE > is a modifier of MAP_ANONYMOUS and so must be specified with it. The > region will behave the same as a MAP_ANONYMOUS region using small pages.
Does this flag provide functionality analogous to shmget(SHM_HUGETLB)? If so, would iot not make sense to name it similarly (i.e., MAP_HUGETLB)?
Cheers,
Michael
-- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Watch my Linux system programming book progress to publication! http://blog.man7.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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