Re: [PATCH v6 11/12] mm/vmalloc: Hugepage vmalloc mappings

2020-08-21 Thread Nicholas Piggin
Excerpts from Eric Dumazet's message of August 22, 2020 1:38 am: > > On 8/21/20 8:12 AM, Nicholas Piggin wrote: >> Support huge page vmalloc mappings. Config option HAVE_ARCH_HUGE_VMALLOC >> enables support on architectures that define HAVE_ARCH_HUGE_VMAP and >> supports PMD sized vmap mappings. >

Re: [PATCH v6 11/12] mm/vmalloc: Hugepage vmalloc mappings

2020-08-21 Thread Eric Dumazet
On 8/21/20 8:12 AM, Nicholas Piggin wrote: > Support huge page vmalloc mappings. Config option HAVE_ARCH_HUGE_VMALLOC > enables support on architectures that define HAVE_ARCH_HUGE_VMAP and > supports PMD sized vmap mappings. > > vmalloc will attempt to allocate PMD-sized pages if allocating PMD

[PATCH v6 11/12] mm/vmalloc: Hugepage vmalloc mappings

2020-08-21 Thread Nicholas Piggin
Support huge page vmalloc mappings. Config option HAVE_ARCH_HUGE_VMALLOC enables support on architectures that define HAVE_ARCH_HUGE_VMAP and supports PMD sized vmap mappings. vmalloc will attempt to allocate PMD-sized pages if allocating PMD size or larger, and fall back to small pages if that wa