Re: [PATCH v7 3/7] set_memory: allow set_direct_map_*_noflush() for multiple pages
flat view
From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
Date: 2020-10-26 19:01:51
Also in:
linux-arch, linux-arm-kernel, linux-fsdevel, linux-kselftest, linux-mm, linux-riscv, lkml, nvdimm
On Mon, 2020-10-26 at 10:37 +0200, Mike Rapoport wrote:
quoted hunk ↗ jump to hunk
+++ b/arch/x86/mm/pat/set_memory.c@@ -2184,14 +2184,14 @@ static int __set_pages_np(struct page *page,int numpages) return __change_page_attr_set_clr(&cpa, 0); } -int set_direct_map_invalid_noflush(struct page *page) +int set_direct_map_invalid_noflush(struct page *page, int numpages) { - return __set_pages_np(page, 1); + return __set_pages_np(page, numpages); } -int set_direct_map_default_noflush(struct page *page) +int set_direct_map_default_noflush(struct page *page, int numpages) { - return __set_pages_p(page, 1); + return __set_pages_p(page, numpages); }
Somewhat related to your other series, this could result in large NP pages and trip up hibernate.