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([140.113.216.168]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2b6711660fdsm9195597a91.16.2024.05.14.01.48.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 May 2024 01:48:06 -0700 (PDT) From: Kuan-Wei Chiu To: colyli@suse.de, kent.overstreet@linux.dev, msakai@redhat.com, peterz@infradead.org, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, akpm@linux-foundation.org Cc: bfoster@redhat.com, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, bagasdotme@gmail.com, jserv@ccns.ncku.edu.tw, linux-bcache@vger.kernel.org, linux-kernel@vger.kernel.org, dm-devel@lists.linux.dev, linux-bcachefs@vger.kernel.org, linux-perf-users@vger.kernel.org, Kuan-Wei Chiu Subject: [RESEND PATCH v5 07/16] lib min_heap: Add min_heap_full() Date: Tue, 14 May 2024 16:47:15 +0800 Message-Id: <20240514084724.557100-8-visitorckw@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240514084724.557100-1-visitorckw@gmail.com> References: <20240514084724.557100-1-visitorckw@gmail.com> Precedence: bulk X-Mailing-List: dm-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add min_heap_full() which returns a boolean value indicating whether the heap has reached its maximum capacity. Signed-off-by: Kuan-Wei Chiu Reviewed-by: Ian Rogers --- include/linux/min_heap.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/min_heap.h b/include/linux/min_heap.h index 043de539bf71..d4ec7e749280 100644 --- a/include/linux/min_heap.h +++ b/include/linux/min_heap.h @@ -63,6 +63,16 @@ void *__min_heap_peek(struct min_heap_char *heap) #define min_heap_peek(_heap) \ (__minheap_cast(_heap) __min_heap_peek((min_heap_char *)_heap)) +/* Check if the heap is full. */ +static __always_inline +bool __min_heap_full(min_heap_char *heap) +{ + return heap->nr == heap->size; +} + +#define min_heap_full(_heap) \ + __min_heap_full((min_heap_char *)_heap) + /* Sift the element at pos down the heap. */ static __always_inline void __min_heapify(min_heap_char *heap, int pos, size_t elem_size,