Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-04-02 Thread David Rientjes
On Sun, 29 Mar 2015, Hugh Dickins wrote: > > munmap(2) of hugetlb memory requires a length that is hugepage aligned, > > otherwise it may fail. Add this to the documentation. > > Thanks for taking this on, David. But although munmap(2) is the one > Davide called out, it goes beyond that,

Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-04-02 Thread David Rientjes
On Sun, 29 Mar 2015, Hugh Dickins wrote: munmap(2) of hugetlb memory requires a length that is hugepage aligned, otherwise it may fail. Add this to the documentation. Thanks for taking this on, David. But although munmap(2) is the one Davide called out, it goes beyond that, doesn't it?

Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-03-30 Thread Hugh Dickins
On Mon, 30 Mar 2015, Eric B Munson wrote: > On Sun, 29 Mar 2015, Hugh Dickins wrote: > > > > Eric, I apologize for bringing you in to the discussion, and then > > ignoring your input. I understand that you would like MAP_HUGETLB > > to behave more understandably. We can all agree that the

Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-03-30 Thread Eric B Munson
On Sun, 29 Mar 2015, Hugh Dickins wrote: > On Thu, 26 Mar 2015, David Rientjes wrote: > > > munmap(2) of hugetlb memory requires a length that is hugepage aligned, > > otherwise it may fail. Add this to the documentation. > > Thanks for taking this on, David. But although munmap(2) is the one

Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-03-30 Thread Eric B Munson
On Sun, 29 Mar 2015, Hugh Dickins wrote: On Thu, 26 Mar 2015, David Rientjes wrote: munmap(2) of hugetlb memory requires a length that is hugepage aligned, otherwise it may fail. Add this to the documentation. Thanks for taking this on, David. But although munmap(2) is the one Davide

Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-03-30 Thread Hugh Dickins
On Mon, 30 Mar 2015, Eric B Munson wrote: On Sun, 29 Mar 2015, Hugh Dickins wrote: Eric, I apologize for bringing you in to the discussion, and then ignoring your input. I understand that you would like MAP_HUGETLB to behave more understandably. We can all agree that the existing

Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-03-29 Thread Hugh Dickins
On Thu, 26 Mar 2015, David Rientjes wrote: > munmap(2) of hugetlb memory requires a length that is hugepage aligned, > otherwise it may fail. Add this to the documentation. Thanks for taking this on, David. But although munmap(2) is the one Davide called out, it goes beyond that, doesn't it?

Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-03-29 Thread Hugh Dickins
On Thu, 26 Mar 2015, David Rientjes wrote: munmap(2) of hugetlb memory requires a length that is hugepage aligned, otherwise it may fail. Add this to the documentation. Thanks for taking this on, David. But although munmap(2) is the one Davide called out, it goes beyond that, doesn't it? To

Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-03-27 Thread David Rientjes
On Fri, 27 Mar 2015, Eric B Munson wrote: > > munmap(2) of hugetlb memory requires a length that is hugepage aligned, > > otherwise it may fail. Add this to the documentation. > > > > This also cleans up the documentation and separates it into logical > > units: one part refers to MAP_HUGETLB

Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-03-27 Thread Eric B Munson
On Thu, 26 Mar 2015, David Rientjes wrote: > munmap(2) of hugetlb memory requires a length that is hugepage aligned, > otherwise it may fail. Add this to the documentation. > > This also cleans up the documentation and separates it into logical > units: one part refers to MAP_HUGETLB and

Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-03-27 Thread Eric B Munson
On Thu, 26 Mar 2015, David Rientjes wrote: munmap(2) of hugetlb memory requires a length that is hugepage aligned, otherwise it may fail. Add this to the documentation. This also cleans up the documentation and separates it into logical units: one part refers to MAP_HUGETLB and another

Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-03-27 Thread David Rientjes
On Fri, 27 Mar 2015, Eric B Munson wrote: munmap(2) of hugetlb memory requires a length that is hugepage aligned, otherwise it may fail. Add this to the documentation. This also cleans up the documentation and separates it into logical units: one part refers to MAP_HUGETLB and another

[patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-03-26 Thread David Rientjes
munmap(2) of hugetlb memory requires a length that is hugepage aligned, otherwise it may fail. Add this to the documentation. This also cleans up the documentation and separates it into logical units: one part refers to MAP_HUGETLB and another part refers to requirements for shared memory

[patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

2015-03-26 Thread David Rientjes
munmap(2) of hugetlb memory requires a length that is hugepage aligned, otherwise it may fail. Add this to the documentation. This also cleans up the documentation and separates it into logical units: one part refers to MAP_HUGETLB and another part refers to requirements for shared memory