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LibGfx: Make Gfx::Bitmap::set_nonvolatile() report allocation failure
Making a bitmap non-volatile after being volatile may fail to allocate physical pages after the kernel stole the old pages in a purge. This is different from the pages being purged, but reallocated. In that case, they are simply replaced with zero-fill-on-demand pages as if they were freshly allocated.
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23 changed files with 57 additions and 46 deletions
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@ -24,7 +24,7 @@ public:
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virtual IntSize size() override;
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virtual RefPtr<Gfx::Bitmap> bitmap() override;
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virtual void set_volatile() override;
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[[nodiscard]] virtual bool set_nonvolatile() override;
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[[nodiscard]] virtual bool set_nonvolatile(bool& was_purged) override;
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virtual bool sniff() override;
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virtual bool is_animated() override;
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virtual size_t loop_count() override;
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