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authorDmitry Torokhov <[email protected]>2023-05-01 15:20:08 -0700
committerDmitry Torokhov <[email protected]>2023-05-01 15:20:08 -0700
commit9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e (patch)
treed57f3a63479a07b4e0cece029886e76e04feb984 /mm/page_ext.c
parent5dc63e56a9cf8df0b59c234a505a1653f1bdf885 (diff)
parent53bea86b5712c7491bb3dae12e271666df0a308c (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.4 merge window.
Diffstat (limited to 'mm/page_ext.c')
-rw-r--r--mm/page_ext.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/mm/page_ext.c b/mm/page_ext.c
index 4ee522fd381c..dc1626be458b 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -71,6 +71,7 @@ static bool need_page_idle(void)
}
static struct page_ext_operations page_idle_ops __initdata = {
.need = need_page_idle,
+ .need_shared_flags = true,
};
#endif
@@ -86,12 +87,12 @@ static struct page_ext_operations *page_ext_ops[] __initdata = {
#endif
};
-unsigned long page_ext_size = sizeof(struct page_ext);
+unsigned long page_ext_size;
static unsigned long total_usage;
static struct page_ext *lookup_page_ext(const struct page *page);
-bool early_page_ext;
+bool early_page_ext __meminitdata;
static int __init setup_early_page_ext(char *str)
{
early_page_ext = true;
@@ -106,7 +107,16 @@ static bool __init invoke_need_callbacks(void)
bool need = false;
for (i = 0; i < entries; i++) {
- if (page_ext_ops[i]->need && page_ext_ops[i]->need()) {
+ if (page_ext_ops[i]->need()) {
+ if (page_ext_ops[i]->need_shared_flags) {
+ page_ext_size = sizeof(struct page_ext);
+ break;
+ }
+ }
+ }
+
+ for (i = 0; i < entries; i++) {
+ if (page_ext_ops[i]->need()) {
page_ext_ops[i]->offset = page_ext_size;
page_ext_size += page_ext_ops[i]->size;
need = true;