The patch titled
Subject: zsmalloc: use OBJ_TAG_BIT for bit shifter
has been removed from the -mm tree. Its filename was
zsmalloc-use-obj_tag_bit-for-bit-shifter.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Minchan Kim <minchan@xxxxxxxxxx>
Subject: zsmalloc: use OBJ_TAG_BIT for bit shifter
Static check warns using tag as bit shifter. It doesn't break current
working but not good for redability. Let's use OBJ_TAG_BIT as bit shifter
instead of OBJ_ALLOCATED_TAG.
Link: http://lkml.kernel.org/r/20160607045146.GF26230@bbox
Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/zsmalloc.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff -puN mm/zsmalloc.c~zsmalloc-use-obj_tag_bit-for-bit-shifter mm/zsmalloc.c
--- a/mm/zsmalloc.c~zsmalloc-use-obj_tag_bit-for-bit-shifter
+++ a/mm/zsmalloc.c
@@ -1052,7 +1052,7 @@ static void init_zspage(struct size_clas
link = (struct link_free *)vaddr + off / sizeof(*link);
while ((off += class->size) < PAGE_SIZE) {
- link->next = freeobj++ << OBJ_ALLOCATED_TAG;
+ link->next = freeobj++ << OBJ_TAG_BITS;
link += class->size / sizeof(*link);
}
@@ -1063,13 +1063,13 @@ static void init_zspage(struct size_clas
*/
next_page = get_next_page(page);
if (next_page) {
- link->next = freeobj++ << OBJ_ALLOCATED_TAG;
+ link->next = freeobj++ << OBJ_TAG_BITS;
} else {
/*
- * Reset OBJ_ALLOCATED_TAG bit to last link to tell
+ * Reset OBJ_TAG_BITS bit to last link to tell
* whether it's allocated object or not.
*/
- link->next = -1 << OBJ_ALLOCATED_TAG;
+ link->next = -1 << OBJ_TAG_BITS;
}
kunmap_atomic(vaddr);
page = next_page;
@@ -1514,7 +1514,7 @@ static unsigned long obj_malloc(struct s
vaddr = kmap_atomic(m_page);
link = (struct link_free *)vaddr + m_offset / sizeof(*link);
- set_freeobj(zspage, link->next >> OBJ_ALLOCATED_TAG);
+ set_freeobj(zspage, link->next >> OBJ_TAG_BITS);
if (likely(!PageHugeObject(m_page)))
/* record handle in the header of allocated chunk */
link->handle = handle;
@@ -1616,7 +1616,7 @@ static void obj_free(struct size_class *
/* Insert this object in containing zspage's freelist */
link = (struct link_free *)(vaddr + f_offset);
- link->next = get_freeobj(zspage) << OBJ_ALLOCATED_TAG;
+ link->next = get_freeobj(zspage) << OBJ_TAG_BITS;
kunmap_atomic(vaddr);
set_freeobj(zspage, f_objidx);
mod_zspage_inuse(zspage, -1);
_
Patches currently in -mm which might be from minchan@xxxxxxxxxx are
mm-page_alloc-fix-dirtyable-highmem-calculation.patch
mm-show-node_pages_scanned-per-node-not-zone.patch
mm-show-node_pages_scanned-per-node-not-zone-fix.patch
mm-add-per-zone-lru-list-stat.patch
mm-bail-out-in-shrin_inactive_list.patch
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