pool: Take into account malloc overhead & pool page size

vmg · vmg · commit 410efda80b10 · 2015-10-28T10:28:43.000+01:00
diff --git a/src/pool.c b/src/pool.c
@@ -21,7 +21,8 @@ uint32_t git_pool__system_page_size(void)
 		size_t page_size;
 		if (git__page_size(&page_size) < 0)
 			page_size = 4096;
-		size = page_size - 2 * sizeof(void *); /* allow space for malloc overhead */
+		/* allow space for malloc overhead */
+		size = page_size - (2 * sizeof(void *)) - sizeof(git_pool_page);
 	}
 
 	return size;

Original file line number	Diff line number	Diff line change
`@@ -21,7 +21,8 @@ uint32_t git_pool__system_page_size(void)`
`21`	`21`	`size_t page_size;`
`22`	`22`	`if (git__page_size(&page_size) < 0)`
`23`	`23`	`page_size = 4096;`
`24`		`- size = page_size - 2 * sizeof(void ); / allow space for malloc overhead */`
	`24`	`+ /* allow space for malloc overhead */`
	`25`	`+ size = page_size - (2 * sizeof(void *)) - sizeof(git_pool_page);`
`25`	`26`	`}`
`26`	`27`
`27`	`28`	`return size;`