Cleanup by using pgd_list_add() and pgd_list_del() in the right place.
Cc: Andi Kleen <[email protected]>
Signed-off-by: Akinobu Mita <[email protected]>
---
include/asm-x86_64/pgalloc.h | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
Index: 2.6-git/include/asm-x86_64/pgalloc.h
===================================================================
--- 2.6-git.orig/include/asm-x86_64/pgalloc.h
+++ 2.6-git/include/asm-x86_64/pgalloc.h
@@ -65,7 +65,6 @@ static inline void pgd_ctor(void *x)
{
unsigned boundary;
pgd_t *pgd = x;
- struct page *page = virt_to_page(pgd);
/*
* Copy kernel pointers in from init.
@@ -75,19 +74,14 @@ static inline void pgd_ctor(void *x)
init_level4_pgt + boundary,
(PTRS_PER_PGD - boundary) * sizeof(pgd_t));
- spin_lock(&pgd_lock);
- list_add(&page->lru, &pgd_list);
- spin_unlock(&pgd_lock);
+ pgd_list_add(pgd);
}
static inline void pgd_dtor(void *x)
{
pgd_t *pgd = x;
- struct page *page = virt_to_page(pgd);
- spin_lock(&pgd_lock);
- list_del(&page->lru);
- spin_unlock(&pgd_lock);
+ pgd_list_del(pgd);
}
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
-
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