[PATCH 1/4] mm: move function alloc_pages_exact_nid out of __meminit
From: mhocko@kernel.org (Michal Hocko)
Date: 2017-09-26 13:35:29
Also in:
linux-iommu, linux-mm, lkml
On Thu 21-09-17 14:29:19, Ganapatrao Kulkarni wrote:
This function can be used on NUMA systems in place of alloc_pages_exact Adding code to export and to remove __meminit section tagging.
It is usually better to fold such a change into a patch which adds a new user. Other than that I do not have any objections.
Signed-off-by: Ganapatrao Kulkarni <redacted>
Acked-by: Michal Hocko <mhocko@suse.com>
quoted hunk ↗ jump to hunk
--- include/linux/gfp.h | 2 +- mm/page_alloc.c | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-)diff --git a/include/linux/gfp.h b/include/linux/gfp.h index f780718..a4bd234 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h@@ -528,7 +528,7 @@ extern unsigned long get_zeroed_page(gfp_t gfp_mask); void *alloc_pages_exact(size_t size, gfp_t gfp_mask); void free_pages_exact(void *virt, size_t size); -void * __meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask); +void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask); #define __get_free_page(gfp_mask) \ __get_free_pages((gfp_mask), 0)diff --git a/mm/page_alloc.c b/mm/page_alloc.c index c841af8..7975870 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c@@ -4442,7 +4442,7 @@ EXPORT_SYMBOL(alloc_pages_exact); * Like alloc_pages_exact(), but try to allocate on node nid first before falling * back. */ -void * __meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask) +void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask) { unsigned int order = get_order(size); struct page *p = alloc_pages_node(nid, gfp_mask, order);@@ -4450,6 +4450,7 @@ void * __meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask) return NULL; return make_alloc_exact((unsigned long)page_address(p), order, size); } +EXPORT_SYMBOL(alloc_pages_exact_nid); /** * free_pages_exact - release memory allocated via alloc_pages_exact()-- 2.9.4
-- Michal Hocko SUSE Labs