Re: [PATCH] hugetlb: allow to free gigantic pages regardless of the configuration

2019-02-13 Thread Alex Ghiti
On 2/13/19 6:27 AM, Vlastimil Babka wrote: On 1/17/19 7:39 PM, Alexandre Ghiti wrote: From: Alexandre Ghiti On systems without CMA or (MEMORY_ISOLATION && COMPACTION) activated but that support gigantic pages, boottime reserved gigantic pages can not be freed at all. This patchs simply enabl

Re: [PATCH] hugetlb: allow to free gigantic pages regardless of the configuration

2019-02-13 Thread Vlastimil Babka
On 1/17/19 7:39 PM, Alexandre Ghiti wrote: > From: Alexandre Ghiti > > On systems without CMA or (MEMORY_ISOLATION && COMPACTION) activated but > that support gigantic pages, boottime reserved gigantic pages can not be > freed at all. This patchs simply enables the possibility to hand back > thos

Re: [PATCH] hugetlb: allow to free gigantic pages regardless of the configuration

2019-02-05 Thread Alex Ghiti
On 2/5/19 6:23 AM, Michael Ellerman wrote: Alexandre Ghiti writes: From: Alexandre Ghiti On systems without CMA or (MEMORY_ISOLATION && COMPACTION) activated but that support gigantic pages, boottime reserved gigantic pages can not be freed at all. This patchs simply enables the possibility

Re: [PATCH] hugetlb: allow to free gigantic pages regardless of the configuration

2019-02-05 Thread Michael Ellerman
Alexandre Ghiti writes: > From: Alexandre Ghiti > > On systems without CMA or (MEMORY_ISOLATION && COMPACTION) activated but > that support gigantic pages, boottime reserved gigantic pages can not be > freed at all. This patchs simply enables the possibility to hand back > those pages to memory

Re: [PATCH] hugetlb: allow to free gigantic pages regardless of the configuration

2019-02-03 Thread Alex Ghiti
On 1/17/19 1:39 PM, Alexandre Ghiti wrote: From: Alexandre Ghiti On systems without CMA or (MEMORY_ISOLATION && COMPACTION) activated but that support gigantic pages, boottime reserved gigantic pages can not be freed at all. This patchs simply enables the possibility to hand back those pages to

Re: [PATCH] hugetlb: allow to free gigantic pages regardless of the configuration

2019-01-19 Thread Will Deacon
On Thu, Jan 17, 2019 at 06:39:53PM +, Alexandre Ghiti wrote: > From: Alexandre Ghiti > > On systems without CMA or (MEMORY_ISOLATION && COMPACTION) activated but > that support gigantic pages, boottime reserved gigantic pages can not be > freed at all. This patchs simply enables the possibili

Re: [PATCH] hugetlb: allow to free gigantic pages regardless of the configuration

2019-01-17 Thread Mike Kravetz
On 1/17/19 10:39 AM, Alexandre Ghiti wrote: > From: Alexandre Ghiti > > On systems without CMA or (MEMORY_ISOLATION && COMPACTION) activated but > that support gigantic pages, boottime reserved gigantic pages can not be > freed at all. This patchs simply enables the possibility to hand back > tho