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From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	aneesh.kumar@linux.ibm.com
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v1 23/27] powerpc/mm: remove a couple of #ifdef CONFIG_PPC_64K_PAGES in mm/slice.c
Date: Wed, 20 Mar 2019 10:06:59 +0000 (UTC)	[thread overview]
Message-ID: <5466dd36168b85f8b6ff2fd1e2a4491542714990.1553076180.git.christophe.leroy@c-s.fr> (raw)
In-Reply-To: <cover.1553076180.git.christophe.leroy@c-s.fr>

This patch replaces a couple of #ifdef CONFIG_PPC_64K_PAGES
by IS_ENABLED(CONFIG_PPC_64K_PAGES) to improve code maintainability.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/mm/slice.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
index 357d64e14757..50b1a5528384 100644
--- a/arch/powerpc/mm/slice.c
+++ b/arch/powerpc/mm/slice.c
@@ -558,14 +558,13 @@ unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
 	newaddr = slice_find_area(mm, len, &potential_mask,
 				  psize, topdown, high_limit);
 
-#ifdef CONFIG_PPC_64K_PAGES
-	if (newaddr == -ENOMEM && psize == MMU_PAGE_64K) {
+	if (IS_ENABLED(CONFIG_PPC_64K_PAGES) && newaddr == -ENOMEM &&
+	    psize == MMU_PAGE_64K) {
 		/* retry the search with 4k-page slices included */
 		slice_or_mask(&potential_mask, &potential_mask, compat_maskp);
 		newaddr = slice_find_area(mm, len, &potential_mask,
 					  psize, topdown, high_limit);
 	}
-#endif
 
 	if (newaddr == -ENOMEM)
 		return -ENOMEM;
@@ -731,9 +730,9 @@ int slice_is_hugepage_only_range(struct mm_struct *mm, unsigned long addr,
 	VM_BUG_ON(radix_enabled());
 
 	maskp = slice_mask_for_size(&mm->context, psize);
-#ifdef CONFIG_PPC_64K_PAGES
+
 	/* We need to account for 4k slices too */
-	if (psize == MMU_PAGE_64K) {
+	if (IS_ENABLED(CONFIG_PPC_64K_PAGES) && psize == MMU_PAGE_64K) {
 		const struct slice_mask *compat_maskp;
 		struct slice_mask available;
 
@@ -741,7 +740,6 @@ int slice_is_hugepage_only_range(struct mm_struct *mm, unsigned long addr,
 		slice_or_mask(&available, maskp, compat_maskp);
 		return !slice_check_range_fits(mm, &available, addr, len);
 	}
-#endif
 
 	return !slice_check_range_fits(mm, maskp, addr, len);
 }
-- 
2.13.3


WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	 aneesh.kumar@linux.ibm.com
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [PATCH v1 23/27] powerpc/mm: remove a couple of #ifdef CONFIG_PPC_64K_PAGES in mm/slice.c
Date: Wed, 20 Mar 2019 10:06:59 +0000 (UTC)	[thread overview]
Message-ID: <5466dd36168b85f8b6ff2fd1e2a4491542714990.1553076180.git.christophe.leroy@c-s.fr> (raw)
In-Reply-To: <cover.1553076180.git.christophe.leroy@c-s.fr>

This patch replaces a couple of #ifdef CONFIG_PPC_64K_PAGES
by IS_ENABLED(CONFIG_PPC_64K_PAGES) to improve code maintainability.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/mm/slice.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
index 357d64e14757..50b1a5528384 100644
--- a/arch/powerpc/mm/slice.c
+++ b/arch/powerpc/mm/slice.c
@@ -558,14 +558,13 @@ unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
 	newaddr = slice_find_area(mm, len, &potential_mask,
 				  psize, topdown, high_limit);
 
-#ifdef CONFIG_PPC_64K_PAGES
-	if (newaddr == -ENOMEM && psize == MMU_PAGE_64K) {
+	if (IS_ENABLED(CONFIG_PPC_64K_PAGES) && newaddr == -ENOMEM &&
+	    psize == MMU_PAGE_64K) {
 		/* retry the search with 4k-page slices included */
 		slice_or_mask(&potential_mask, &potential_mask, compat_maskp);
 		newaddr = slice_find_area(mm, len, &potential_mask,
 					  psize, topdown, high_limit);
 	}
-#endif
 
 	if (newaddr == -ENOMEM)
 		return -ENOMEM;
@@ -731,9 +730,9 @@ int slice_is_hugepage_only_range(struct mm_struct *mm, unsigned long addr,
 	VM_BUG_ON(radix_enabled());
 
 	maskp = slice_mask_for_size(&mm->context, psize);
-#ifdef CONFIG_PPC_64K_PAGES
+
 	/* We need to account for 4k slices too */
-	if (psize == MMU_PAGE_64K) {
+	if (IS_ENABLED(CONFIG_PPC_64K_PAGES) && psize == MMU_PAGE_64K) {
 		const struct slice_mask *compat_maskp;
 		struct slice_mask available;
 
@@ -741,7 +740,6 @@ int slice_is_hugepage_only_range(struct mm_struct *mm, unsigned long addr,
 		slice_or_mask(&available, maskp, compat_maskp);
 		return !slice_check_range_fits(mm, &available, addr, len);
 	}
-#endif
 
 	return !slice_check_range_fits(mm, maskp, addr, len);
 }
-- 
2.13.3


  parent reply	other threads:[~2019-03-20 10:07 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-20 10:06 [PATCH v1 00/27] Reduce ifdef mess in hugetlbpage.c and slice.c Christophe Leroy
2019-03-20 10:06 ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 01/27] powerpc/mm: Don't BUG() in hugepd_page() Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-04-11  5:39   ` Aneesh Kumar K.V
2019-04-11  5:39     ` Aneesh Kumar K.V
2019-04-24 14:09     ` Christophe Leroy
2019-04-24 14:09       ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 02/27] powerpc/mm: don't BUG in add_huge_page_size() Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-04-11  5:41   ` Aneesh Kumar K.V
2019-04-24 14:09     ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 03/27] powerpc/mm: don't BUG() in slice_mask_for_size() Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-04-11  5:41   ` Aneesh Kumar K.V
2019-04-24 14:09     ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 04/27] powerpc/book3e: drop mmu_get_tsize() Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 05/27] powerpc/mm: drop slice_set_user_psize() Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 06/27] powerpc/64: only book3s/64 supports CONFIG_PPC_64K_PAGES Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 07/27] powerpc/book3e: hugetlbpage is only for CONFIG_PPC_FSL_BOOK3E Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 08/27] powerpc/mm: move __find_linux_pte() out of hugetlbpage.c Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 09/27] powerpc/mm: make hugetlbpage.c depend on CONFIG_HUGETLB_PAGE Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 10/27] powerpc/mm: make gup_hugepte() static Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 11/27] powerpc/mm: split asm/hugetlb.h into dedicated subarch files Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-21 10:42   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 12/27] powerpc/mm: add a helper to populate hugepd Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 13/27] powerpc/mm: define get_slice_psize() all the time Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 14/27] powerpc/mm: no slice for nohash/64 Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 15/27] powerpc/mm: cleanup ifdef mess in add_huge_page_size() Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 16/27] powerpc/mm: move hugetlb_disabled into asm/hugetlb.h Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 17/27] powerpc/mm: cleanup HPAGE_SHIFT setup Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 18/27] powerpc/mm: cleanup remaining ifdef mess in hugetlbpage.c Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 19/27] powerpc/mm: drop slice DEBUG Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 20/27] powerpc/mm: remove unnecessary #ifdef CONFIG_PPC64 Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 21/27] powerpc/mm: hand a context_t over to slice_mask_for_size() instead of mm_struct Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` [PATCH v1 22/27] powerpc/mm: move slice_mask_for_size() into mmu.h Christophe Leroy
2019-03-20 10:06   ` Christophe Leroy
2019-03-20 10:06 ` Christophe Leroy [this message]
2019-03-20 10:06   ` [PATCH v1 23/27] powerpc/mm: remove a couple of #ifdef CONFIG_PPC_64K_PAGES in mm/slice.c Christophe Leroy
2019-03-20 10:07 ` [PATCH v1 24/27] powerpc: define subarch SLB_ADDR_LIMIT_DEFAULT Christophe Leroy
2019-03-20 10:07   ` Christophe Leroy
2019-03-20 10:07 ` [PATCH v1 25/27] powerpc/mm: flatten function __find_linux_pte() Christophe Leroy
2019-03-20 10:07   ` Christophe Leroy
2019-03-20 10:07 ` [PATCH v1 26/27] powerpc/mm: flatten function __find_linux_pte() step 2 Christophe Leroy
2019-03-20 10:07   ` Christophe Leroy
2019-03-20 10:07 ` [PATCH v1 27/27] powerpc/mm: flatten function __find_linux_pte() step 3 Christophe Leroy
2019-03-20 10:07   ` Christophe Leroy
2019-03-21 10:44 ` [PATCH v1 00/27] Reduce ifdef mess in hugetlbpage.c and slice.c Christophe Leroy

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