These two functions take a pointer to an array of struct page.
Make __zs_{map,unmap}_object() take pointer to an array of zpdesc
instead of page.
Add silly type casting when calling them. Casting will be removed later.
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
Signed-off-by: Alex Shi <alexs@xxxxxxxxxx>
---
mm/zsmalloc.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 51f4a9b78023..c038caaef3a8 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1049,7 +1049,7 @@ static inline void __zs_cpu_down(struct mapping_area *area)
}
static void *__zs_map_object(struct mapping_area *area,
- struct page *pages[2], int off, int size)
+ struct zpdesc *zpdescs[2], int off, int size)
{
size_t sizes[2];
char *buf = area->vm_buf;
@@ -1065,14 +1065,14 @@ static void *__zs_map_object(struct mapping_area *area,
sizes[1] = size - sizes[0];
/* copy object to per-cpu buffer */
- memcpy_from_page(buf, pages[0], off, sizes[0]);
- memcpy_from_page(buf + sizes[0], pages[1], 0, sizes[1]);
+ memcpy_from_page(buf, zpdesc_page(zpdescs[0]), off, sizes[0]);
+ memcpy_from_page(buf + sizes[0], zpdesc_page(zpdescs[1]), 0, sizes[1]);
out:
return area->vm_buf;
}
static void __zs_unmap_object(struct mapping_area *area,
- struct page *pages[2], int off, int size)
+ struct zpdesc *zpdescs[2], int off, int size)
{
size_t sizes[2];
char *buf;
@@ -1090,8 +1090,8 @@ static void __zs_unmap_object(struct mapping_area *area,
sizes[1] = size - sizes[0];
/* copy per-cpu buffer to object */
- memcpy_to_page(pages[0], off, buf, sizes[0]);
- memcpy_to_page(pages[1], 0, buf + sizes[0], sizes[1]);
+ memcpy_to_page(zpdesc_page(zpdescs[0]), off, buf, sizes[0]);
+ memcpy_to_page(zpdesc_page(zpdescs[1]), 0, buf + sizes[0], sizes[1]);
out:
/* enable page faults to match kunmap_local() return conditions */
@@ -1230,7 +1230,7 @@ void *zs_map_object(struct zs_pool *pool, unsigned long handle,
pages[1] = get_next_page(page);
BUG_ON(!pages[1]);
- ret = __zs_map_object(area, pages, off, class->size);
+ ret = __zs_map_object(area, (struct zpdesc **)pages, off, class->size);
out:
if (likely(!ZsHugePage(zspage)))
ret += ZS_HANDLE_SIZE;
@@ -1265,7 +1265,7 @@ void zs_unmap_object(struct zs_pool *pool, unsigned long handle)
pages[1] = get_next_page(page);
BUG_ON(!pages[1]);
- __zs_unmap_object(area, pages, off, class->size);
+ __zs_unmap_object(area, (struct zpdesc **)pages, off, class->size);
}
local_unlock(&zs_map_area.lock);
--
2.43.5
