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Message-Id: <dd954ccb2472019c64da0dd3a90d7b39a2fadc98.1656960999.git.christophe.jaillet@wanadoo.fr>
Date: Mon, 4 Jul 2022 20:56:52 +0200
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
Christophe JAILLET <christophe.jaillet@...adoo.fr>,
linux-mips@...r.kernel.org
Subject: [PATCH] MIPS: math-emu: Use the bitmap API to allocate bitmaps
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.
It is less verbose and it improves the semantic.
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
arch/mips/math-emu/dsemul.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index e2d46cb93ca9..e02bd20b60a6 100644
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -82,11 +82,8 @@ static int alloc_emuframe(void)
/* Ensure we have an allocation bitmap */
if (!mm_ctx->bd_emupage_allocmap) {
- mm_ctx->bd_emupage_allocmap =
- kcalloc(BITS_TO_LONGS(emupage_frame_count),
- sizeof(unsigned long),
- GFP_ATOMIC);
-
+ mm_ctx->bd_emupage_allocmap = bitmap_zalloc(emupage_frame_count,
+ GFP_ATOMIC);
if (!mm_ctx->bd_emupage_allocmap) {
idx = BD_EMUFRAME_NONE;
goto out_unlock;
@@ -206,7 +203,7 @@ void dsemul_mm_cleanup(struct mm_struct *mm)
{
mm_context_t *mm_ctx = &mm->context;
- kfree(mm_ctx->bd_emupage_allocmap);
+ bitmap_free(mm_ctx->bd_emupage_allocmap);
}
int mips_dsemul(struct pt_regs *regs, mips_instruction ir,
--
2.34.1
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