Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/mm/page_ext.c b/mm/page_ext.c
index a9826da..4ade843 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/mm.h>
#include <linux/mmzone.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/page_ext.h>
#include <linux/memory.h>
#include <linux/vmalloc.h>
@@ -59,9 +59,6 @@
*/
static struct page_ext_operations *page_ext_ops[] = {
-#ifdef CONFIG_DEBUG_PAGEALLOC
- &debug_guardpage_ops,
-#endif
#ifdef CONFIG_PAGE_OWNER
&page_owner_ops,
#endif
@@ -70,8 +67,9 @@
#endif
};
+unsigned long page_ext_size = sizeof(struct page_ext);
+
static unsigned long total_usage;
-static unsigned long extra_mem;
static bool __init invoke_need_callbacks(void)
{
@@ -81,9 +79,8 @@
for (i = 0; i < entries; i++) {
if (page_ext_ops[i]->need && page_ext_ops[i]->need()) {
- page_ext_ops[i]->offset = sizeof(struct page_ext) +
- extra_mem;
- extra_mem += page_ext_ops[i]->size;
+ page_ext_ops[i]->offset = page_ext_size;
+ page_ext_size += page_ext_ops[i]->size;
need = true;
}
}
@@ -102,14 +99,9 @@
}
}
-static unsigned long get_entry_size(void)
-{
- return sizeof(struct page_ext) + extra_mem;
-}
-
static inline struct page_ext *get_entry(void *base, unsigned long index)
{
- return base + get_entry_size() * index;
+ return base + page_ext_size * index;
}
#if !defined(CONFIG_SPARSEMEM)
@@ -159,11 +151,11 @@
!IS_ALIGNED(node_end_pfn(nid), MAX_ORDER_NR_PAGES))
nr_pages += MAX_ORDER_NR_PAGES;
- table_size = get_entry_size() * nr_pages;
+ table_size = page_ext_size * nr_pages;
- base = memblock_virt_alloc_try_nid_nopanic(
+ base = memblock_alloc_try_nid(
table_size, PAGE_SIZE, __pa(MAX_DMA_ADDRESS),
- BOOTMEM_ALLOC_ACCESSIBLE, nid);
+ MEMBLOCK_ALLOC_ACCESSIBLE, nid);
if (!base)
return -ENOMEM;
NODE_DATA(nid)->node_page_ext = base;
@@ -237,7 +229,7 @@
if (section->page_ext)
return 0;
- table_size = get_entry_size() * PAGES_PER_SECTION;
+ table_size = page_ext_size * PAGES_PER_SECTION;
base = alloc_page_ext(table_size, nid);
/*
@@ -257,7 +249,7 @@
* we need to apply a mask.
*/
pfn &= PAGE_SECTION_MASK;
- section->page_ext = (void *)base - get_entry_size() * pfn;
+ section->page_ext = (void *)base - page_ext_size * pfn;
total_usage += table_size;
return 0;
}
@@ -270,9 +262,10 @@
struct page *page = virt_to_page(addr);
size_t table_size;
- table_size = get_entry_size() * PAGES_PER_SECTION;
+ table_size = page_ext_size * PAGES_PER_SECTION;
BUG_ON(PageReserved(page));
+ kmemleak_free(addr);
free_pages_exact(addr, table_size);
}
}
@@ -300,7 +293,7 @@
start = SECTION_ALIGN_DOWN(start_pfn);
end = SECTION_ALIGN_UP(start_pfn + nr_pages);
- if (nid == -1) {
+ if (nid == NUMA_NO_NODE) {
/*
* In this case, "nid" already exists and contains valid memory.
* "start_pfn" passed to us is a pfn which is an arg for
@@ -398,10 +391,8 @@
* We know some arch can have a nodes layout such as
* -------------pfn-------------->
* N0 | N1 | N2 | N0 | N1 | N2|....
- *
- * Take into account DEFERRED_STRUCT_PAGE_INIT.
*/
- if (early_pfn_to_nid(pfn) != nid)
+ if (pfn_to_nid(pfn) != nid)
continue;
if (init_section_page_ext(pfn, nid))
goto oom;