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MIPS: math-emu: Use the bitmap API to allocate bitmaps

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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@wanadoo.fr>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Christophe JAILLET 2022-07-04 20:56:52 +02:00 committed by Thomas Bogendoerfer
parent 08472f6ebd
commit 8512670d35
1 changed files with 3 additions and 6 deletions
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9
arch/mips/math-emu/dsemul.c
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@ -82,11 +82,8 @@ retry:
/* 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,