diff --git a/grep.c b/grep.c
index cd952ef5d3cca5..d6d29fc7243c6d 100644
--- a/grep.c
+++ b/grep.c
@@ -482,13 +482,33 @@ static void free_pcre1_regexp(struct grep_pat *p)
 #endif /* !USE_LIBPCRE1 */
 
 #ifdef USE_LIBPCRE2
+static void *pcre2_malloc(PCRE2_SIZE size, void *memory_data)
+{
+	return malloc(size);
+}
+
+static void pcre2_free(void *pointer, void *memory_data)
+{
+	return free(pointer);
+}
+
+static pcre2_general_context *get_pcre2_context(void)
+{
+	static pcre2_general_context *context;
+
+	if (!context)
+		context = pcre2_general_context_create(pcre2_malloc,
+						       pcre2_free, NULL);
+
+	return context;
+}
+
 static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt)
 {
 	int error;
 	PCRE2_UCHAR errbuf[256];
 	PCRE2_SIZE erroffset;
 	int options = PCRE2_MULTILINE;
-	const uint8_t *character_tables = NULL;
 	int jitret;
 	int patinforet;
 	size_t jitsizearg;
@@ -499,9 +519,11 @@ static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt
 
 	if (opt->ignore_case) {
 		if (has_non_ascii(p->pattern)) {
-			character_tables = pcre2_maketables(NULL);
-			p->pcre2_compile_context = pcre2_compile_context_create(NULL);
-			pcre2_set_character_tables(p->pcre2_compile_context, character_tables);
+			p->pcre2_tables = pcre2_maketables(get_pcre2_context());
+			p->pcre2_compile_context =
+				pcre2_compile_context_create(get_pcre2_context());
+			pcre2_set_character_tables(p->pcre2_compile_context,
+							p->pcre2_tables);
 		}
 		options |= PCRE2_CASELESS;
 	}
@@ -513,7 +535,8 @@ static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt
 					 p->pcre2_compile_context);
 
 	if (p->pcre2_pattern) {
-		p->pcre2_match_data = pcre2_match_data_create_from_pattern(p->pcre2_pattern, NULL);
+		p->pcre2_match_data =
+			pcre2_match_data_create_from_pattern(p->pcre2_pattern, get_pcre2_context());
 		if (!p->pcre2_match_data)
 			die("Couldn't allocate PCRE2 match data");
 	} else {
@@ -550,7 +573,7 @@ static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt
 			return;
 		}
 
-		p->pcre2_jit_stack = pcre2_jit_stack_create(1, 1024 * 1024, NULL);
+		p->pcre2_jit_stack = pcre2_jit_stack_create(1, 1024 * 1024, get_pcre2_context());
 		if (!p->pcre2_jit_stack)
 			die("Couldn't allocate PCRE2 JIT stack");
 		p->pcre2_match_context = pcre2_match_context_create(NULL);
@@ -605,6 +628,7 @@ static void free_pcre2_pattern(struct grep_pat *p)
 	pcre2_match_data_free(p->pcre2_match_data);
 	pcre2_jit_stack_free(p->pcre2_jit_stack);
 	pcre2_match_context_free(p->pcre2_match_context);
+	free((void *)p->pcre2_tables);
 }
 #else /* !USE_LIBPCRE2 */
 static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt)
diff --git a/grep.h b/grep.h
index 1875880f37990f..26d21a3433eb2c 100644
--- a/grep.h
+++ b/grep.h
@@ -96,6 +96,7 @@ struct grep_pat {
 	pcre2_compile_context *pcre2_compile_context;
 	pcre2_match_context *pcre2_match_context;
 	pcre2_jit_stack *pcre2_jit_stack;
+	const uint8_t *pcre2_tables;
 	uint32_t pcre2_jit_on;
 	kwset_t kws;
 	unsigned fixed:1;