alloc: avoid dead store to hdrlen

[ccan] / ccan / alloc / alloc.c

diff --git a/ccan/alloc/alloc.c b/ccan/alloc/alloc.c
index 643efedc85d1be3212e175051e3558def8021545..e9aaf3ddea8c7c7727f6a65c5ccd4a516209307c 100644 (file)
--- a/ccan/alloc/alloc.c
+++ b/ccan/alloc/alloc.c
@@ -467,9 +467,7 @@ static void recombine_small_pages(struct header *head, unsigned long poolsize,
 static u16 get_large_page(struct header *head, unsigned long poolsize,
                          unsigned int sp_bits)
 {
-       unsigned int lp_bits, page;
-
-       lp_bits = sp_bits + BITS_FROM_SMALL_TO_LARGE_PAGE;
+       unsigned int page;
 
        page = pop_from_list(head, &head->large_free_list, sp_bits);
        if (likely(page))
@@ -527,9 +525,8 @@ static bool huge_allocated(struct header *head, unsigned long offset)
 }
 
 /* They want something really big.  Aim for contiguous pages (slow). */
-static COLD_ATTRIBUTE
-void *huge_alloc(void *pool, unsigned long poolsize,
-                unsigned long size, unsigned long align)
+static COLD void *huge_alloc(void *pool, unsigned long poolsize,
+                            unsigned long size, unsigned long align)
 {
        struct header *head = pool;
        struct huge_alloc *ha;
@@ -647,7 +644,7 @@ done:
        return (char *)pool + ha->off;
 }
 
-static COLD_ATTRIBUTE void
+static COLD void
 huge_free(struct header *head, unsigned long poolsize, void *free)
 {
        unsigned long i, off, pgnum, free_off = (char *)free - (char *)head;
@@ -687,8 +684,7 @@ huge_free(struct header *head, unsigned long poolsize, void *free)
        alloc_free(head, poolsize, ha);
 }
 
-static COLD_ATTRIBUTE unsigned long
-huge_size(struct header *head, void *p)
+static COLD unsigned long huge_size(struct header *head, void *p)
 {
        unsigned long i, off = (char *)p - (char *)head;
        struct huge_alloc *ha;