page-vary: Expose TARGET_PAGE_BITS_MIN definition
We'll use TARGET_PAGE_BITS_MIN in page-vary-common.c, so expose it via "exec/page-vary.h". Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-ID: <20260213182713.44924-3-philmd@linaro.org>
Philippe Mathieu-Daudé committed
Feb 12, 2026 at 23:42 UTC
40a5b6745ed4b586d9e29c71ac492b1309c3f419
2 files changed
+14
-15
include/exec/page-vary.h
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@@ -20,6 +20,20 @@
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#ifndef EXEC_PAGE_VARY_H
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#define EXEC_PAGE_VARY_H
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+/*
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+ * For system mode, the minimum comes from the number of bits
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+ * required for maximum alignment (6) and the number of bits
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+ * required for TLB_FLAGS_MASK (3).
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+ *
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+ * For user mode, TARGET_PAGE_BITS_VARY is a hack to allow the target
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+ * page size to match the host page size. Mostly, this reduces the
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+ * ordinary target page size to run on a host with 4KiB pages (i.e. x86).
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+ * There is no true minimum required by the implementation, but keep the
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+ * same minimum as for system mode for sanity.
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+ * See linux-user/mmap.c, mmap_h_lt_g and mmap_h_gt_g.
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+ */
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+#define TARGET_PAGE_BITS_MIN 9
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+
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typedef struct {
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bool decided;
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int bits;
page-vary-target.c
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@@ -23,21 +23,6 @@
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#include "exec/page-vary.h"
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#include "exec/target_page.h"
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-
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-/*
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- * For system mode, the minimum comes from the number of bits
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- * required for maximum alignment (6) and the number of bits
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- * required for TLB_FLAGS_MASK (3).
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- *
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- * For user mode, TARGET_PAGE_BITS_VARY is a hack to allow the target
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- * page size to match the host page size. Mostly, this reduces the
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- * ordinary target page size to run on a host with 4KiB pages (i.e. x86).
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- * There is no true minimum required by the implementation, but keep the
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- * same minimum as for system mode for sanity.
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- * See linux-user/mmap.c, mmap_h_lt_g and mmap_h_gt_g.
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- */
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-#define TARGET_PAGE_BITS_MIN 9
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-
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#ifndef TARGET_PAGE_BITS_VARY
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QEMU_BUILD_BUG_ON(TARGET_PAGE_BITS < TARGET_PAGE_BITS_MIN);
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#endif