lkml.org 
[lkml]   [2017]   [Sep]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/4] mm: move function alloc_pages_exact_nid out of __meminit
Date
This function can be used on NUMA systems in place of alloc_pages_exact
Adding code to export and to remove __meminit section tagging.

Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@cavium.com>
---
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
\
 
 \ /
  Last update: 2017-09-21 19:29    [W:0.115 / U:1.908 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site