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authorLinus Torvalds <torvalds@linux-foundation.org>2026-01-20 10:16:18 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2026-01-20 10:16:18 -0800
commitc03e9c42ae8f9be76a0cf55ef3f88663f0f6a63a (patch)
tree2cd0a78dfac34afb1d534f18d5d23df7665b033c /include
parent8f7537efbe5636a798cf885ea2fa0e4889995fa9 (diff)
parentc6ccd098807483762ccd726e1498bac5a71d0005 (diff)
Merge tag 'dma-mapping-6.19-2026-01-20' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux
Pull dma-mapping fixes from Marek Szyprowski: - minor fixes for the corner cases of the SWIOTLB pool management (Robin Murphy) * tag 'dma-mapping-6.19-2026-01-20' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux: dma/pool: Avoid allocating redundant pools mm_zone: Generalise has_managed_dma() dma/pool: Improve pool lookup
Diffstat (limited to 'include')
-rw-r--r--include/linux/mmzone.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 75ef7c9f9307..fc5d6c88d2f0 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -1648,14 +1648,15 @@ static inline int is_highmem(const struct zone *zone)
return is_highmem_idx(zone_idx(zone));
}
-#ifdef CONFIG_ZONE_DMA
-bool has_managed_dma(void);
-#else
+bool has_managed_zone(enum zone_type zone);
static inline bool has_managed_dma(void)
{
+#ifdef CONFIG_ZONE_DMA
+ return has_managed_zone(ZONE_DMA);
+#else
return false;
-}
#endif
+}
#ifndef CONFIG_NUMA