bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-18 06:44:00 -04:00
Code Issues Packages Projects Releases Wiki Activity

powerpc/nohash: Refactor ptep_test_and_clear_young()

Browse Source 
Remove ptep_test_and_clear_young() macro, make
__ptep_test_and_clear_young() common to nohash/32 and nohash/64
and change it to become ptep_test_and_clear_young()

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/de90679ae169104fa3c98d0a8828d7ede228fc52.1695659959.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy
2023-09-25 20:31:30 +02:00
committed by Michael Ellerman
parent 3a4288164d
commit 8c3d9eb323
3 changed files with 12 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
arch/powerpc/include/asm/nohash/pgtable.h
View File

@@ -69,6 +69,17 @@ static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, p
}
#endif
static inline int ptep_test_and_clear_young(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
unsigned long old;
old = pte_update(vma->vm_mm, addr, ptep, _PAGE_ACCESSED, 0, 0);
return (old & _PAGE_ACCESSED) != 0;
}
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
/* Generic accessors to PTE bits */
#ifndef pte_mkwrite_novma
static inline pte_t pte_mkwrite_novma(pte_t pte)