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mm/arm: remove pmd_thp_or_huge()

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ARM/ARM64 used to define pmd_thp_or_huge().  Now this macro is completely
redundant.  Remove it and use pmd_leaf().

Link: https://lkml.kernel.org/r/20240318200404.448346-14-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Bjorn Andersson <andersson@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: "Naveen N. Rao" <naveen.n.rao@linux.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Peter Xu 2024-03-18 16:04:03 -04:00 committed by Andrew Morton
parent 9636f055da
commit 502016e33a
4 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/include/asm/pgtable-2level.h
View File

@ -241,7 +241,6 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
* define empty stubs for use by pin_page_for_write.
*/
#define pmd_hugewillfault(pmd) (0)
#define pmd_thp_or_huge(pmd) (0)
#endif /* __ASSEMBLY__ */

1
arch/arm/include/asm/pgtable-3level.h
View File

@ -190,7 +190,6 @@ static inline pte_t pte_mkspecial(pte_t pte)
#define pmd_dirty(pmd) (pmd_isset((pmd), L_PMD_SECT_DIRTY))
#define pmd_hugewillfault(pmd) (!pmd_young(pmd) || !pmd_write(pmd))
#define pmd_thp_or_huge(pmd) (pmd_leaf(pmd) || pmd_trans_huge(pmd))
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
#define pmd_trans_huge(pmd) (pmd_val(pmd) && !pmd_table(pmd))

4
arch/arm/lib/uaccess_with_memcpy.c
View File

@ -56,10 +56,10 @@ pin_page_for_write(const void __user *_addr, pte_t **ptep, spinlock_t **ptlp)
* to see that it's still huge and whether or not we will
* need to fault on write.
*/
if (unlikely(pmd_thp_or_huge(*pmd))) {
if (unlikely(pmd_leaf(*pmd))) {
ptl = &current->mm->page_table_lock;
spin_lock(ptl);
if (unlikely(!pmd_thp_or_huge(*pmd)
if (unlikely(!pmd_leaf(*pmd)
|| pmd_hugewillfault(*pmd))) {
spin_unlock(ptl);
return 0;

2
arch/arm64/include/asm/pgtable.h
View File

@ -517,8 +517,6 @@ static inline pmd_t pmd_mkinvalid(pmd_t pmd)
return pmd;
}
#define pmd_thp_or_huge(pmd) (pmd_leaf(pmd) || pmd_trans_huge(pmd))
#define pmd_write(pmd) pte_write(pmd_pte(pmd))
#define pmd_mkhuge(pmd) (__pmd(pmd_val(pmd) & ~PMD_TABLE_BIT))