Re: [Libhugetlbfs-devel] [PATCH 2/3] Add new environment variable to specify the default hpage size to use

2008-09-09 Thread David Gibson
On Tue, Sep 09, 2008 at 06:42:12PM +, Adam Litke wrote: > When multiple huge page sizes are available, libhugetlbfs behavior is to use > the huge page size reported in /proc/meminfo as the default size. Allow other > sizes to be used as the default via a new environment variable: > HUGETLB_DEF

Re: [Libhugetlbfs-devel] [PATCH 1/3] cleanup: Store page sizes in bytes

2008-09-09 Thread David Gibson
On Tue, Sep 09, 2008 at 06:41:59PM +, Adam Litke wrote: > To avoid confusion, the library should store page sizes in bytes and library > interfaces should take page size parameters in bytes as well. Ah, yes, I was going to suggest that. > Signed-off-by: Adam Litke <[EMAIL PROTECTED]> Acked-b

Re: [Libhugetlbfs-devel] [PATCH] Get a hugetlbfs fd for a specific page size

2008-09-09 Thread David Gibson
On Tue, Sep 09, 2008 at 08:20:28PM +, Adam Litke wrote: > Allow applications that program to the libhugetlbfs API to specify a page size > when requesting a hugetlbfs fd. If the size is invalid or not configured, an > error will be returned. > > Signed-off-by: Adam Litke <[EMAIL PROTECTED]>

[Libhugetlbfs-devel] [PATCH] Get a hugetlbfs fd for a specific page size

2008-09-09 Thread Adam Litke
Allow applications that program to the libhugetlbfs API to specify a page size when requesting a hugetlbfs fd. If the size is invalid or not configured, an error will be returned. Signed-off-by: Adam Litke <[EMAIL PROTECTED]> --- hugetlbfs.h |2 ++ hugeutils.c | 35 +++

[Libhugetlbfs-devel] [PATCH 2/3] Add new environment variable to specify the default hpage size to use

2008-09-09 Thread Adam Litke
When multiple huge page sizes are available, libhugetlbfs behavior is to use the huge page size reported in /proc/meminfo as the default size. Allow other sizes to be used as the default via a new environment variable: HUGETLB_DEFAULT_PAGE_SIZE. If this variable is specified, libhugetlbfs will at

[Libhugetlbfs-devel] [PATCH 1/3] cleanup: Store page sizes in bytes

2008-09-09 Thread Adam Litke
To avoid confusion, the library should store page sizes in bytes and library interfaces should take page size parameters in bytes as well. Signed-off-by: Adam Litke <[EMAIL PROTECTED]> --- hugeutils.c | 26 ++ libhugetlbfs_internal.h |2 +- tests/hugetes

Re: [Libhugetlbfs-devel] [PATCH] Recover gracefully when ELF remapping fails due to insufficient hugepages

2008-09-09 Thread Eric B Munson
On Mon, 08 Sep 2008, Mel Gorman wrote: > When remapping text or data, segments are prepared in a child process and > later remapped. The status code from the segment preparation is not checked > and in the event of failure to copy text or data, the main process gets killed > later when it remaps a

Re: [Libhugetlbfs-devel] [RFD] hugecfg: Proposed scope and interfaces

2008-09-09 Thread Adam Litke
On Tue, 2008-09-09 at 16:18 +0100, Andy Whitcroft wrote: > On Mon, Sep 08, 2008 at 03:10:40PM -0500, Adam Litke wrote: > > With the arrival of recent kernel features (namely the dynamic pool and > > multiple huge page sizes), comes increased configuration complexity. To > > ease configuration for

Re: [Libhugetlbfs-devel] [RFD] hugecfg: Proposed scope and interfaces

2008-09-09 Thread Andy Whitcroft
On Mon, Sep 08, 2008 at 03:10:40PM -0500, Adam Litke wrote: > With the arrival of recent kernel features (namely the dynamic pool and > multiple huge page sizes), comes increased configuration complexity. To > ease configuration for users, libhugetlbfs should provide a set of > library interfaces

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