diff options
Diffstat (limited to 'include/perfetto/ext/base/paged_memory.h')
| -rw-r--r-- | include/perfetto/ext/base/paged_memory.h | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/include/perfetto/ext/base/paged_memory.h b/include/perfetto/ext/base/paged_memory.h index 0afd6b887..f0ed568c4 100644 --- a/include/perfetto/ext/base/paged_memory.h +++ b/include/perfetto/ext/base/paged_memory.h @@ -56,8 +56,9 @@ class PagedMemory { }; // Allocates |size| bytes using mmap(MAP_ANONYMOUS). The returned memory is - // guaranteed to be page-aligned and guaranteed to be zeroed. - // For |flags|, see the AllocationFlags enum above. + // guaranteed to be page-aligned and guaranteed to be zeroed. |size| must be a + // multiple of 4KB (a page size). For |flags|, see the AllocationFlags enum + // above. static PagedMemory Allocate(size_t size, int flags = 0); // Hint to the OS that the memory range is not needed and can be discarded. @@ -87,10 +88,6 @@ class PagedMemory { PagedMemory& operator=(const PagedMemory&) = default; char* p_ = nullptr; - - // The size originally passed to Allocate(). The actual virtual memory - // reservation will be larger due to: (i) guard pages; (ii) rounding up to - // the system page size. size_t size_ = 0; #if TRACK_COMMITTED_SIZE() |