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authorDmitry Torokhov <[email protected]>2023-05-01 15:20:08 -0700
committerDmitry Torokhov <[email protected]>2023-05-01 15:20:08 -0700
commit9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e (patch)
treed57f3a63479a07b4e0cece029886e76e04feb984 /include/linux/highmem-internal.h
parent5dc63e56a9cf8df0b59c234a505a1653f1bdf885 (diff)
parent53bea86b5712c7491bb3dae12e271666df0a308c (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.4 merge window.
Diffstat (limited to 'include/linux/highmem-internal.h')
-rw-r--r--include/linux/highmem-internal.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/highmem-internal.h b/include/linux/highmem-internal.h
index 034b1106d022..a3028e400a9c 100644
--- a/include/linux/highmem-internal.h
+++ b/include/linux/highmem-internal.h
@@ -152,7 +152,10 @@ static inline void totalhigh_pages_add(long count)
static inline bool is_kmap_addr(const void *x)
{
unsigned long addr = (unsigned long)x;
- return addr >= PKMAP_ADDR(0) && addr < PKMAP_ADDR(LAST_PKMAP);
+
+ return (addr >= PKMAP_ADDR(0) && addr < PKMAP_ADDR(LAST_PKMAP)) ||
+ (addr >= __fix_to_virt(FIX_KMAP_END) &&
+ addr < __fix_to_virt(FIX_KMAP_BEGIN));
}
#else /* CONFIG_HIGHMEM */
@@ -200,7 +203,7 @@ static inline void *kmap_local_pfn(unsigned long pfn)
static inline void __kunmap_local(const void *addr)
{
#ifdef ARCH_HAS_FLUSH_ON_KUNMAP
- kunmap_flush_on_unmap(addr);
+ kunmap_flush_on_unmap(PTR_ALIGN_DOWN(addr, PAGE_SIZE));
#endif
}
@@ -227,7 +230,7 @@ static inline void *kmap_atomic_pfn(unsigned long pfn)
static inline void __kunmap_atomic(const void *addr)
{
#ifdef ARCH_HAS_FLUSH_ON_KUNMAP
- kunmap_flush_on_unmap(addr);
+ kunmap_flush_on_unmap(PTR_ALIGN_DOWN(addr, PAGE_SIZE));
#endif
pagefault_enable();
if (IS_ENABLED(CONFIG_PREEMPT_RT))