The patch titled
Subject: lib min_heap: add min_heap_init()
has been added to the -mm mm-nonmm-unstable branch. Its filename is
lib-min_heap-add-min_heap_init.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/lib-min_heap-add-min_heap_init.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Kuan-Wei Chiu <visitorckw@xxxxxxxxx>
Subject: lib min_heap: add min_heap_init()
Date: Fri, 24 May 2024 23:29:47 +0800
Add min_heap_init() for initializing heap with data, nr, and size.
Link: https://lkml.kernel.org/r/20240524152958.919343-6-visitorckw@xxxxxxxxx
Signed-off-by: Kuan-Wei Chiu <visitorckw@xxxxxxxxx>
Reviewed-by: Ian Rogers <irogers@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Bagas Sanjaya <bagasdotme@xxxxxxxxx>
Cc: Brian Foster <bfoster@xxxxxxxxxx>
Cc: Ching-Chun (Jim) Huang <jserv@xxxxxxxxxxxxxxxx>
Cc: Coly Li <colyli@xxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Matthew Sakai <msakai@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/min_heap.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
--- a/include/linux/min_heap.h~lib-min_heap-add-min_heap_init
+++ a/include/linux/min_heap.h
@@ -38,6 +38,21 @@ struct min_heap_callbacks {
void (*swp)(void *lhs, void *rhs);
};
+/* Initialize a min-heap. */
+static __always_inline
+void __min_heap_init(min_heap_char *heap, void *data, int size)
+{
+ heap->nr = 0;
+ heap->size = size;
+ if (data)
+ heap->data = data;
+ else
+ heap->data = heap->preallocated;
+}
+
+#define min_heap_init(_heap, _data, _size) \
+ __min_heap_init((min_heap_char *)_heap, _data, _size)
+
/* Sift the element at pos down the heap. */
static __always_inline
void __min_heapify(min_heap_char *heap, int pos, size_t elem_size,
_
Patches currently in -mm which might be from visitorckw@xxxxxxxxx are
perf-core-fix-several-typos.patch
bcache-fix-typo.patch
bcachefs-fix-typo.patch
lib-min_heap-add-type-safe-interface.patch
lib-min_heap-add-min_heap_init.patch
lib-min_heap-add-min_heap_peek.patch
lib-min_heap-add-min_heap_full.patch
lib-min_heap-add-args-for-min_heap_callbacks.patch
lib-min_heap-add-min_heap_sift_up.patch
lib-min_heap-add-min_heap_del.patch
lib-min_heap-update-min_heap_push-and-min_heap_pop-to-return-bool-values.patch
lib-min_heap-rename-min_heapify-to-min_heap_sift_down.patch
lib-min_heap-update-min_heap_push-to-use-min_heap_sift_up.patch
lib-test_min_heap-add-test-for-heap_del.patch
bcache-remove-heap-related-macros-and-switch-to-generic-min_heap.patch
bcachefs-remove-heap-related-macros-and-switch-to-generic-min_heap.patch
